Jeep 2021 Gladiator Owner's manual

Whether it’s providing information about speciﬁc product features, taking a tour through your vehicle’s heritage, knowing what

steps to take following an accident or scheduling your next appointment, we know you’ll ﬁnd the app an important extension of

your Jeep



brand vehicle.

Simply download the app, select your make and model and enjoy the ride. To get this app, go directly to the App Store® or Google Play®

Store and enter the search keyword “JEEP” (U.S. residents only).

2021 GLADIATOR

OWNER’S MANUAL

Fourth Edition

21_JT_OM_EN_USC

Jeep is a registered trademark of FCA US LLC. Jeep est une marque déposée de FCA US LLC.

App Store is a registered trademark of Apple Inc. Google Play Store is a registered trademark of Google.

2021 GLADIATOR

owners.mopar.ca

U. S. Canada

mopar.com/om

DOWNLOAD THE MOST UP-TO-DATE OWNER’S MANUAL,

RADIO AND WARRANTY BOOKLETS

WARNING: Operating, servicing and maintaining a passenger vehicle or o-highway

motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide,

phthalates, and lead, which are known to the State of California to cause cancer and birth

defects or other reproductive harm. To minimize exposure, avoid breathing exhaust,

do not idle the engine except as necessary, service your vehicle in a well-ventilated area

and wear gloves or wash your hands frequently when servicing your vehicle. For more

information go to www.P65Warnings.ca.gov/passenger-vehicle.

The driver’s primary responsibility is the safe operation of the vehicle. Driving while distracted can result in loss of vehicle control,

resulting in an accident and personal injury. FCA US LLC strongly recommends that the driver use extreme caution when using any

device or feature that may take their attention o the road. Use of any electrical devices, such as cellular telephones, computers, portable

radios, vehicle navigation or other devices, by the driver while the vehicle is moving is dangerous and could lead to a serious accident.

Texting while driving is also dangerous and should never be done while the vehicle is moving. If you ﬁnd yourself unable to devote your

full attention to vehicle operation, pull o the road to a safe location and stop your vehicle. Some states or provinces prohibit the use of

cellular telephones or texting while driving. It is always the driver’s responsibility to comply with all local laws.

This Owner’s Manual has been prepared to help you get acquainted with your new Jeep

®

brand vehicle and to provide a convenient

reference source for common questions.

Not all features shown in this manual may apply to your vehicle. For additional information, visit mopar.comom (U.S.), owners.mopar.ca

(Canada) or your local Jeep

®

brand dealer.

Drunk driving is one of the most frequent causes of accidents. Your driving ability can be seriously

impaired with blood alcohol levels far below the legal minimum. If you are drinking, don’t drive.

Ride with a designated non-drinking driver, call a cab, a friend or use public transportation.

DRIVING AND ALCOHOL

Driving after drinking can lead to an accident. Your perceptions are less sharp, your reﬂexes are

slower and your judgment is impaired when you have been drinking. Never drink and then drive.

WARNING!

This Owner’s Manual illustrates and describes the operation of features and equipment that are either standard or optional on this

vehicle. This manual may also include a description of features and equipment that are no longer available or were not ordered on

this vehicle. Please disregard any features and equipment described in this manual that are not on this vehicle. FCA US LLC reserves the

right to make changes in design and speciﬁcations, and/or make additions to or improvements to its products without imposing any

obligation upon itself to install them on products previously manufactured.

With respect to any vehicles sold in Canada, the name FCA US LLC shall be deemed to be deleted and the name FCA Canada Inc.

used in substitution therefore.

This Owner’s Manual is intended to familiarize you with the important features of your vehicle. Your most up-to-date Owner’s Manual,

Navigation/Uconnect manuals and Warranty Booklet can be found by visiting the website on the back cover.

U.S Residents: If you are the ﬁrst registered retail owner of your vehicle, you may obtain a complimentary printed copy of the Warranty

Booklet by calling 1-877-426-5337 or by contacting your dealer. Replacement kits can be purchased by visiting www.techauthority.com.

Canadian Residents: If you are the ﬁrst registered retail owner of your vehicle, you may obtain a complimentary printed copy of the

Warranty Booklet or purchase a replacement kit by calling 1-800-387-1143 or by contacting your dealer.

TABLE OF CONTENTS

1

2

3

4

5

6

7

8

9

10

11

1

INTRODUCTION..............................................................................................................................9

2

GET

TING TO KNOW YOUR VEHICLE ................................................................................. 16

3

GETTING TO KNOW YOUR INSTRUMENT PANEL ....................................................... 115

4

STARTING AND OPERATING ...............................................................................................146

5

MULTIMEDIA .............................................................................................................................. 233

6

SAFETY ........................................................................................................................................320

7

IN CASE OF EMERGENCY ....................................................................................................384

8

SERVICING AND MAINTENANCE ..................................................................................... 408

9

TECHNICAL SPECIFICATIONS ........................................................................................... 480

10

CUSTOMER ASSISTANCE .....................................................................................................493

11

INDEX .............................................................................................................................................498

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INTRODUCTION

SYMBOLS KEY........................................................ 10

ROLLOVER WARNING .......................................... 10

CAMPERS ............................................................... 11

VEHICLE MODIFICATIONS/ALTERATIONS ......... 11

SYMBOL GLOSSARY.............................................. 11

GETTING TO KNOW YOUR VEHICLE

KEYS ....................................................................... 16

Key Fob .............................................................16

SENTRY KEY ........................................................... 19

IGNITION SWITCH ................................................ 19

Keyless Enter-N-Go Ignition .............................19

REMOTE START — IF EQUIPPED

(GASOLINE)............................................................. 21

How To Use Remote Start................................22

To Exit Remote Start Mode..............................22

Remote Start Front Defrost Activation —

If Equipped........................................................23

Remote Start Comfort Systems —

If Equipped .......................................................23

Remote Start Cancel Message........................24

REMOTE START — IF EQUIPPED (DIESEL) ......... 24

How To Use Remote Start................................24

VEHICLE SECURITY SYSTEM — IF EQUIPPED..... 25

To Arm The System .........................................25

To Disarm The System ....................................25

Rearming Of The System .................................26

DOORS ....................................................................26

Manual Door Locks ..........................................26

Power Door Locks — If Equipped ....................27

Keyless Enter-N-Go — Passive Entry

(If Equipped) .....................................................27

Automatic Door Locks —

If Equipped ......................................................29

Child-Protection Door Lock System —

Rear Doors........................................................29

Front Door Removal .......................................30

Rear Door Removal ........................................35

STEERING WHEEL ..................................................37

Tilt/Telescoping Steering Column...................37

Heated Steering Wheel —

If Equipped ......................................................38

SEATS ..................................................................38

Manual Adjustment Front Seats .....................38

60/40 Split Folding Rear Seat .......................40

Rear Seat Stadium Position ............................41

Heated Seats — If Equipped ...........................42

Rear Seat Armrest — If Equipped....................43

Head Restraints ..............................................43

UCONNECT VOICE RECOGNITION ........................45

Introducing Voice Recognition.........................45

Basic Voice Commands ...................................46

Get Started .......................................................46

Additional Information .....................................47

MIRRORS................................................................ 47

Inside Rearview Mirror.....................................47

Illuminated Vanity Mirrors ..............................48

Outside Mirrors ................................................48

Heated Mirrors — If Equipped .........................48

Power Mirrors — If Equipped ...........................48

UNIVERSAL GARAGE DOOR OPENER

(HOMELINK®) ....................................................... 49

Before You Begin Programming

HomeLink® ......................................................49

Erasing All The HomeLink® Channels............50

Identifying Whether You Have A Rolling

Code Or Non-Rolling Code Device...................50

Programming HomeLink® To A Garage

Door Opener .....................................................50

Programming HomeLink® To A

Miscellaneous Device......................................51

Reprogramming A Single HomeLink®

Button ...............................................................51

Canadian/Gate Operator Programming .........52

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EXTERIOR LIGHTS ................................................. 53

Headlight Switch...............................................53

Daytime Running Lights (DRLs) —

If Equipped .......................................................53

High/Low Beam Switch ..................................53

Automatic High Beam Headlamp

Control — If Equipped ......................................54

Flash-To-Pass ..................................................54

Automatic Headlights — If Equipped ..............54

Lights-On Reminder..........................................54

Front Fog Lights — If Equipped .......................54

Turn Signals......................................................55

Lane Change Assist — If Equipped..................55

Bed Lights — If Equipped ................................55

INTERIOR LIGHTS ................................................. 55

Interior Courtesy Lights....................................55

Dimmer Controls ..............................................56

WINDSHIELD WIPERS AND WASHERS .............. 56

Windshield Wiper Operation............................56

CLIMATE CONTROLS ............................................. 57

Automatic Climate Control Descriptions

And Functions...................................................57

Manual Climate Control Descriptions

And Functions...................................................61

Automatic Temperature Control (ATC) —

If Equipped .......................................................63

Climate Voice Commands................................64

Operating Tips .................................................64

INTERIOR STORAGE AND EQUIPMENT ...............65

Storage..............................................................65

AUX/USB Control..............................................68

Jeep® Wireless Speaker —

If Equipped........................................................69

Power Outlets ...............................................75

Power Inverters — If Equipped ........................76

Auxiliary Switches — If Equipped ....................78

POWER WINDOWS — IF EQUIPPED ....................80

Auto-Down Feature .........................................80

Manual Sliding Rear Window —

If Equipped........................................................81

Window Lockout Switch...................................81

Wind Buffeting .................................................81

GLADIATOR TOPS .................................................82

Provided Tools ..................................................82

Lowering The Soft Top .....................................82

Raising The Soft Top ........................................89

Removing The Soft Top....................................92

Installing The Soft Top .....................................93

Hard Top Front Panel(s) Removal...................95

Hard Top Front Panel(s) Installation...............98

Removing The Hard Top ..................................98

Installing The Hard Top................................. 101

DOOR FRAME — IF EQUIPPED WITH A

SOFT TOP .............................................................101

Door Frame Removal.................................... 102

Door Frame Installation................................ 102

FOLDING WINDSHIELD ....................................104

Lowering The Windshield.............................. 104

Raising The Windshield ................................ 106

HOOD ....................................................................107

Opening The Hood ........................................ 107

Closing The Hood .......................................... 107

TAILGATE ..............................................................108

Opening.......................................................... 108

Three-Position Tailgate ................................. 108

Closing ........................................................... 109

BED RAIL TIE DOWN SYSTEM —

IF EQUIPPED ........................................................110

TONNEAU COVER — IF EQUIPPED .....................110

Tonneau Cover Installation .......................... 111

Tonneau Cover Removal .............................. 112

ROOF LUGGAGE RACK — IF EQUIPPED ............114

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GETTING TO KNOW YOUR

INSTRUMENT PANEL

INSTRUMENT CLUSTER.......................................115

Instrument Cluster Descriptions .................. 119

INSTRUMENT CLUSTER DISPLAY ......................120

Instrument Cluster Display Location And

Controls.......................................................... 120

Oil Life Reset — If Equipped ........................ 121

Off Road+ Display — If Equipped.................. 122

Instrument Cluster Display Selectable

Items .............................................................. 122

Instrument Cluster Display Menu Items ...... 122

Battery Saver On, Battery Saver Mode

Message, And Electrical Load Reduction

Actions

(If Equipped) .................................................. 126

Diesel Displays .............................................. 128

Diesel Particulate Filter (DPF) Messages .... 128

Fuel System Messages ................................. 130

WARNING LIGHTS AND MESSAGES .................132

Red Warning Lights ....................................... 132

Yellow Warning Lights ................................... 135

Yellow Indicator Lights .................................. 139

Green Indicator Lights................................... 141

White Indicator Lights ................................... 142

Blue Indicator Lights ..................................... 143

ONBOARD DIAGNOSTIC SYSTEM — OBD II...... 143

Onboard Diagnostic System (OBD II)

Cybersecurity ................................................. 144

EMISSIONS INSPECTION AND

MAINTENANCE PROGRAMS .............................. 144

STARTING AND OPERATING

STARTING THE ENGINE — GASOLINE

ENGINE (IF EQUIPPED) ..................................... 146

Manual Transmission — If Equipped ........... 146

Automatic Transmission —

If Equipped .................................................... 146

Normal Starting ......................................... 146

AutoPark ........................................................ 147

Extreme Cold Weather

(Below –22°F Or −30°C) ............................ 149

If Engine Fails To Start ................................. 149

After Starting ................................................. 149

STARTING THE ENGINE — DIESEL ENGINE

(IF EQUIPPED) ..................................................... 150

Automatic Transmission ............................... 150

Extreme Cold Weather .................................. 151

Normal Starting ............................................. 151

Starting Fluids ............................................... 152

NORMAL OPERATION — DIESEL ENGINE......... 152

Cold Weather Precautions............................ 153

Engine Idling .................................................. 153

Stopping The Engine ..................................... 154

Cooling System Tips — Automatic

Transmission ................................................. 155

ENGINE BLOCK HEATER — IF EQUIPPED .........155

ENGINE BREAK-IN RECOMMENDATIONS —

GASOLINE ENGINE (IF EQUIPPED) ...................156

ENGINE BREAK-IN RECOMMENDATIONS —

DIESEL ENGINE (IF EQUIPPED)..........................157

PARKING BRAKE .................................................157

MANUAL TRANSMISSION — IF EQUIPPED .......158

Shifting........................................................... 159

Downshifting.................................................. 160

AUTOMATIC TRANSMISSION —

IF EQUIPPED ........................................................162

Ignition Park Interlock................................... 163

Brake/Transmission Shift Interlock

System .......................................................... 163

Eight–Speed Automatic Transmission ........ 163

Gear Ranges.................................................. 164

FOUR–WHEEL DRIVE OPERATION ....................168

Four-Position Transfer Case —

If Equipped .................................................... 168

Five-Position Transfer Case —

If Equipped .................................................... 171

Trac-Lok Rear Axle — If Equipped ................ 173

Axle Lock (Tru-Lok) Front And Rear —

If Equipped ................................................... 174

Axle Lock (Tru-Lok) Rear Only —

If Equipped ................................................... 174

Electronic Sway Bar Disconnect —

If Equipped ................................................... 175

OFF ROAD+ — If Equipped ............................ 176

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ELECTRO-HYDRAULIC POWER STEERING........177

STOP/START SYSTEM — AUTOMATIC

TRANSMISSION (IF EQUIPPED) ........................178

Autostop Mode .............................................. 179

Possible Reasons The Engine Does Not

Autostop......................................................... 179

To Start The Engine While In Autostop

Mode .............................................................. 180

To Manually Turn Off The Stop/Start

System ........................................................... 180

To Manually Turn On The Stop/Start

System ........................................................... 180

System Malfunction ...................................... 180

STOP/START SYSTEM — MANUAL

TRANSMISSION (IF EQUIPPED) .........................180

Autostop Mode .............................................. 181

Possible Reasons The Engine Does Not

Autostop......................................................... 182

To Start The Engine While In Autostop

Mode .............................................................. 182

To Manually Turn Off The Stop/Start

System ........................................................... 182

To Manually Turn On The Stop/Start

System ........................................................... 183

System Malfunction ...................................... 183

CRUISE CONTROL SYSTEMS —

IF EQUIPPED ........................................................183

Cruise Control — If Equipped ....................... 183

Adaptive Cruise Control (ACC) —

If Equipped..................................................... 185

PARKSENSE FRONT/REAR PARK ASSIST

SYSTEM — IF EQUIPPED .................................... 195

ParkSense Sensors....................................... 196

ParkSense Warning Display ......................... 196

ParkSense Display ........................................ 196

Enabling And Disabling ParkSense.............. 200

Service The ParkSense Park Assist

System ........................................................... 200

Cleaning The ParkSense System ................. 200

ParkSense System Usage Precautions........ 200

PARKVIEW REAR BACK UP CAMERA .............. 202

TRAILCAM SYSTEM — IF EQUIPPED ................. 204

REFUELING THE VEHICLE — GASOLINE

ENGINE (IF EQUIPPED) ...................................... 205

Fuel Filler Cap .............................................. 205

Loose Fuel Filler Cap Message ................... 206

REFUELING THE VEHICLE — DIESEL

ENGINE (IF EQUIPPED) ...................................... 206

Avoid Using Contaminated Fuel ................... 207

Bulk Fuel Storage — Diesel Fuel................... 207

Diesel Exhaust Fluid ..................................... 207

VEHICLE LOADING ............................................. 210

Certification Label ......................................... 210

TRAILER TOWING ............................................... 211

Common Towing Definitions......................... 211

Trailer Hitch Classification............................ 214

Trailer Towing Weights

(Maximum Trailer Weight Ratings) .............. 214

Trailer And Tongue Weight ........................... 217

Towing Requirements ................................... 218

Towing Tips .................................................... 221

RECREATIONAL TOWING

(BEHIND MOTORHOME) ....................................222

Towing This Vehicle Behind Another

Vehicle ........................................................... 222

Recreational Towing — Four-Wheel

Drive Models ................................................. 223

DRIVING TIPS .......................................................225

On-Road Driving Tips..................................... 225

Off-Road Driving Tips .................................... 225

MULTIMEDIA

UCONNECT SYSTEMS .........................................233

CYBERSECURITY .................................................233

UCONNECT SETTINGS .........................................234

Customer Programmable Features ............. 235

UCONNECT INTRODUCTION................................251

System Overview .......................................... 251

Drag & Drop Menu Bar ................................ 254

Safety And General Information .................. 254

UCONNECT MODES .............................................255

Steering Wheel Audio Controls .................... 255

Radio Mode .................................................. 256

Media Mode ................................................. 266

Phone Mode ................................................. 269

ANDROID AUTO™ & APPLE CARPLAY® —

IF EQUIPPED .......................................................283

Android Auto™ .............................................. 283

Apple CarPlay® ............................................. 285

Android Auto™ And Apple CarPlay®

Tips And Tricks .............................................. 288

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CONNECTED VEHICLE SERVICES —

IF EQUIPPED ........................................................288

Is My Vehicle Connected?............................. 288

Introduction To Connected Vehicle

Services ......................................................... 289

Getting Started With Connected Vehicle

Services ......................................................... 291

Using SiriusXM Guardian™ .......................... 293

Manage My SiriusXM Guardian™

Account .......................................................... 309

CONNECTED SERVICES FAQS ...........................309

Connected Services SOS FAQs .................... 310

Connected Services Remote Door

Lock/Unlock FAQs ........................................ 310

Connected Services Roadside

Assistance FAQs ........................................... 310

Connected Services Send & Go FAQs ......... 311

Connected Services Vehicle Finder FAQs ... 311

Connected Services Stolen Vehicle

Assistance FAQs ........................................... 311

Connected Services Remote Vehicle

Start FAQs ..................................................... 312

Connected Services Remote Horn & Lights

FAQs ............................................................... 312

Connected Services Account FAQs .............. 313

Data Collection & Privacy.............................. 316

RADIO OPERATION AND MOBILE PHONES ..... 316

Regulatory And Safety Information .............. 317

OFF-ROAD PAGES — IF EQUIPPED.................... 317

Off-Road Pages Status Bar........................... 318

Drivetrain ....................................................... 318

Accessory Gauge........................................... 319

Pitch & Roll ................................................... 319

SAFETY

SAFETY FEATURES.............................................. 320

Anti-Lock Brake System (ABS) ..................... 320

Electronic Brake Control (EBC) System ...... 321

AUXILIARY DRIVING SYSTEMS.......................... 329

Blind Spot Monitoring (BSM) —

If Equipped .................................................... 329

Forward Collision Warning (FCW)

With Mitigation — If Equipped ...................... 333

Tire Pressure Monitoring System

(TPMS) ......................................................... 336

OCCUPANT RESTRAINT SYSTEMS ................... 341

Occupant Restraint Systems Features ....... 341

Important Safety Precautions ...................... 341

Seat Belt Systems ........................................ 342

Supplemental Restraint Systems (SRS) ...... 350

Child Restraints ........................................... 366

SAFETY TIPS.........................................................380

Transporting Passengers.............................. 380

Transporting Pets ....................................... 380

Safety Checks You Should Make

Inside The Vehicle ........................................ 380

Periodic Safety Checks You Should Make

Outside The Vehicle ...................................... 382

Exhaust Gas .............................................. 383

Carbon Monoxide Warnings ....................... 383

IN CASE OF EMERGENCY

HAZARD WARNING FLASHERS .........................384

ASSIST AND SOS SYSTEM —

IF EQUIPPED ......................................................384

JACKING AND TIRE CHANGING .........................389

Preparations For Jacking ............................. 389

Jack Location ................................................ 390

Spare Tire Removal ...................................... 392

Jacking Instructions .................................... 393

To Stow The Flat Or Spare............................ 396

Reinstalling The Jack And Tools................... 397

JUMP STARTING .................................................397

Preparations For Jump Start ........................ 398

Jump Starting Procedure.............................. 399

REFUELING IN EMERGENCY –

IF EQUIPPED ........................................................400

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IF YOUR ENGINE OVERHEATS ...........................401

MANUAL PARK RELEASE ...................................402

FREEING A STUCK VEHICLE ..............................403

TOWING A DISABLED VEHICLE ........................405

Four–Wheel Drive Models ............................ 406

Without The Key Fob..................................... 406

Emergency Tow Hooks —

If Equipped .................................................... 406

ENHANCED ACCIDENT RESPONSE SYSTEM

(EARS) ..................................................................407

EVENT DATA RECORDER (EDR).........................407

SERVICING AND MAINTENANCE

SCHEDULED SERVICING — GASOLINE

ENGINE .................................................................408

Maintenance Plan ......................................... 409

SCHEDULED SERVICING — DIESEL

ENGINE .................................................................413

Maintenance Plan — Diesel Fuel Up To

B5 Biodiesel................................................... 414

Additional Maintenance — B6 To B20

Biodiesel ........................................................ 417

ENGINE COMPARTMENT ..................................418

3.6L Engine ................................................... 418

3.0L Diesel Engine ........................................ 419

Checking Oil Level ......................................... 420

Adding Washer Fluid ................................... 420

Maintenance-Free Battery .......................... 420

Pressure Washing ......................................... 421

VEHICLE MAINTENANCE..................................... 421

Engine Oil ...................................................... 422

Engine Oil Filter ............................................. 422

Engine Air Cleaner Filter .............................. 422

Draining Fuel/Water Separator Filter —

Diesel Engine ............................................... 424

Fuel Filter Replacement —

Diesel Engine................................................. 426

Priming If The Engine Has Run Out

Of Fuel — Diesel Engine ............................... 427

Intervention Regeneration Strategy —

Message Process Flow ................................ 428

Diesel Exhaust Fluid ..................................... 428

Accessory Drive Belt Inspection................... 428

Air Conditioner Maintenance........................ 429

Body Lubrication ........................................... 431

Windshield Wiper Blades.............................. 432

Exhaust System ............................................ 433

Cooling System.............................................. 434

Brake System ............................................... 438

Front/Rear Axle Fluid ................................... 438

Transfer Case ............................................... 439

Manual Transmission — If Equipped............ 439

Automatic Transmission —

If Equipped .................................................... 439

Fuses ............................................................. 441

Bulb Replacement ........................................ 449

TIRES.....................................................................453

Tire Safety Information ................................. 453

Tires — General Information......................... 459

Tire Types....................................................... 464

Spare Tires — If Equipped ............................ 465

Wheel And Wheel Trim Care ........................ 466

Snow Traction Devices ................................. 468

Tire Rotation Recommendations ................ 469

DEPARTMENT OF TRANSPORTATION

UNIFORM TIRE QUALITY GRADES ....................470

Treadwear...................................................... 470

Traction Grades............................................. 470

Temperature Grades..................................... 470

STORING THE VEHICLE ....................................471

BODYWORK..........................................................472

Protection From Atmospheric Agents ......... 472

Body And Underbody Maintenance ............. 472

Preserving The Bodywork ............................. 473

INTERIORS ...........................................................475

Carpet Safety Information ............................ 475

Carpet Removal............................................. 476

Seats And Fabric Parts ................................. 478

Plastic And Coated Parts .............................. 478

Leather Surfaces........................................... 479

Glass Surfaces ............................................. 479

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TECHNICAL SPECIFICATIONS

VEHICLE IDENTIFICATION NUMBER (VIN).........480

BRAKE SYSTEM ..................................................480

WHEEL AND TIRE TORQUE

SPECIFICATIONS ................................................480

Torque Specifications ................................... 480

FUEL REQUIREMENTS — GASOLINE

ENGINE ...............................................................481

3.6L Engine.................................................... 482

Reformulated Gasoline................................. 482

Materials Added To Fuel .............................. 482

Gasoline/Oxygenate Blends ........................ 482

Do Not Use E-85 In Non-Flex Fuel

Vehicles.......................................................... 483

CNG And LP Fuel System Modifications ...... 483

Methylcyclopentadienyl Manganese

Tricarbonyl (MMT) In Gasoline...................... 483

Fuel System Cautions ................................... 484

FUEL REQUIREMENTS – DIESEL ENGINE ........ 484

Diesel Fuel Specifications ............................ 485

Biodiesel Fuel Requirements ....................... 485

FLUID CAPACITIES .......................................... 488

ENGINE FLUIDS AND LUBRICANTS................... 489

CHASSIS FLUIDS AND LUBRICANTS ................ 492

CUSTOMER ASSISTANCE

SUGGESTIONS FOR OBTAINING SERVICE

FOR YOUR VEHICLE ........................................... 493

Prepare For The Appointment ...................... 493

Prepare A List ................................................ 493

Be Reasonable With Requests..................... 493

IF YOU NEED ASSISTANCE ................................ 493

FCA US LLC Customer Center....................... 494

FCA Canada Inc. Customer Center............... 494

Mexico............................................................ 494

Puerto Rico And U.S. Virgin Islands.............. 494

Customer Assistance For The Hearing

Or Speech Impaired

(TDD/TTY) ...................................................... 494

Service Contract ........................................... 494

WARRANTY INFORMATION................................495

MOPAR® PARTS .................................................495

REPORTING SAFETY DEFECTS ..........................495

In The 50 United States And

Washington, D.C............................................ 495

In Canada ...................................................... 496

PUBLICATION ORDER FORMS ..........................496

GENERAL INFORMATION....................................497

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INTRODUCTION

Dear Customer,

Congratulations on the purchase of your Jeep® vehicle. Be assured that it represents precision workmanship, distinctive styling, and high quality.

This is a specialized utility vehicle. It can go places and perform tasks that are not intended for conventional passenger vehicles. It handles and

maneuvers differently from many passenger vehicles, both on-road and off-road, so take time to become familiar with your vehicle. If equipped, the

two-wheel drive version of this vehicle is designed for on-road use only. It is not intended for off-road driving or use in other severe conditions suited for

a four-wheel drive vehicle. Before you start to operate this vehicle, read the Owner’s Manual. Be sure you are familiar with all vehicle controls,

particularly those used for braking, steering, transmission, and transfer case operation. Learn how your vehicle handles on different road surfaces. Your

driving skills will improve with experience. When driving off-road, or operating the vehicle, don’t overload the vehicle or expect the vehicle to overcome

the natural laws of physics. Always observe federal, state, provincial and local laws wherever you drive. As with other vehicles of this type, failure to

operate this vehicle correctly may result in loss of control or a collision. See Ú page 225 for further information.

This Owner’s Manual has been prepared with the assistance of service and engineering specialists to acquaint you with the operation and maintenance

of your vehicle. It is supplemented by customer-oriented documents. Within this information, you will find a description of the services that FCA US LLC

offers to its customers as well as the details of the terms and conditions for maintaining its validity. Please take the time to read all of these publications

carefully before driving your vehicle for the first time. Following the instructions, recommendations, tips, and important warnings in this manual will help

ensure safe and enjoyable operation of your vehicle.

This Owner’s Manual describes all versions of this vehicle. Options and equipment dedicated to specific markets or versions are not expressly indicated

in the text. Therefore, you should only consider the information that is related to the trim level, engine, and version that you have purchased. Any content

introduced throughout the Owner’s Information that may or may not be applicable to your vehicle will be identified with the wording “If Equipped”.

All information contained in this publication is intended to help you use your vehicle in the best possible way. FCA US LLC aims towards a constant

improvement of the vehicles produced. For this reason, it reserves the right to make changes to the model described for technical and/or commercial

reasons. For further information, contact an authorized dealer.

When it comes to service, remember that authorized dealers know your Jeep® best, have factory-trained technicians, genuine Mopar® parts, and care

about your satisfaction.

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21_JT_OM_EN_USC_t.book Page 9

10

SYMBOLS KEY

If you do not read this entire Owner’s Manual, you may miss important

information. Observe all Cautions and Warnings.

ROLLOVER WARNING

Utility vehicles have a significantly higher rollover rate than other types of

vehicles. This vehicle has a higher ground clearance and a higher center

of gravity than many passenger vehicles. It is capable of performing better

in a wide variety of off-road applications. Driven in an unsafe manner, all

vehicles can go out of control. Because of the higher center of gravity,

if this vehicle is out of control it may roll over while some other vehicles

may not.

Do not attempt sharp turns, abrupt maneuvers, or other unsafe driving

actions that can cause loss of vehicle control. Failure to operate this

vehicle safely may result in a collision, rollover of the vehicle, and severe

or fatal injury. Drive carefully.

Rollover Warning Label

WARNING!

These statements are against operating

procedures that could result in a collision,

bodily injury and/or death.

CAUTION!

These statements are against procedures that

could result in damage to your vehicle.

NOTE:

A suggestion which will improve installation,

operation, and reliability. If not followed, may

result in damage.

TIP:

General ideas/solutions/suggestions on easier

use of the product or functionality.

PAGE REFERENCE

ARROW

Follow this reference for additional information

on a particular feature.

FOOTNOTE

Supplementary and relevant information

pertaining to the topic.

21_JT_OM_EN_USC_t.book Page 10

11

Failure to use the driver and passenger seat belts provided is a major

cause of severe or fatal injury. In fact, the US government notes that the

universal use of existing seat belts could cut the highway death toll by

10,000 or more each year and could reduce disabling injuries by two

million annually. In a rollover crash, an unbelted person is significantly

more likely to die than a person wearing a seat belt. Always buckle up.

CAMPERS

This vehicle is NOT recommended for slide-in camper applications.

VEHICLE MODIFICATIONS/ALTERATIONS

SYMBOL GLOSSARY

Some car components have colored labels with symbols indicating

precautions to be observed when using this component. It is important to

follow all warnings when operating your vehicle. See below for the

definition of each symbol Ú page 132.

NOTE:

Warning and Indicator lights are different based upon equipment options

and current vehicle status. Some telltales are optional and may not

appear.

WARNING!

Any modifications or alterations to this vehicle could seriously affect its

roadworthiness and safety and may lead to a collision resulting in

serious injury or death.

Red Warning Lights

Air Bag Warning Light

Ú page 132

Brake Warning Light

Ú page 132

Battery Charge Warning Light

Ú page 133

Door Open Warning Light

Ú page 133

Electric Power Steering (EPS) Fault Warning Light

Ú page 133

Electronic Throttle Control (ETC) Warning Light

Ú page 133

Engine Coolant Temperature Warning Light

Ú page 134

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21_JT_OM_EN_USC_t.book Page 11

12

Hood Open Warning Light

Ú page 134

Oil Pressure Warning Light

Ú page 134

Oil Temperature Warning Light

Ú page 134

Seat Belt Reminder Warning Light

Ú page 134

Rear Seat Belt Reminder Indicator Light With A Base

Instrument Cluster

Ú page 135

Transmission Temperature Warning Light

Ú page 135

Vehicle Security Warning Light

Ú page 135

Red Warning Lights

Yellow Warning Lights

Anti-Lock Brake System (ABS) Warning Light

Ú page 135

Electronic Stability Control (ESC) Active Warning Light

Ú page 136

Electronic Stability Control (ESC) OFF Warning Light

Ú page 136

Loose Fuel Filler Cap Warning Light

Ú page 136

Low Fuel Warning Light

Ú page 136

Low Washer Fluid Warning Light

Ú page 136

Engine Check/Malfunction Indicator Warning Light (MIL)

Ú page 136

21_JT_OM_EN_USC_t.book Page 12

13

Service 4WD Warning Light

Ú page 137

Service Forward Collision Warning (FCW) Light

Ú page 137

Service Stop/Start System Warning Light

Ú page 137

Cruise Control Fault Warning Light

Ú page 137

Sway Bar Fault Warning Light

Ú page 137

Tire Pressure Monitoring System (TPMS) Warning Light

Ú page 137

AdBlue® (UREA) Injection System Failure Warning Light

Ú page 139

Yellow Warning Lights

Yellow Indicator Lights

4WD Indicator Light

Ú page 139

4WD Low Indicator Light

Ú page 139

4WD Part Time Indicator Light

Ú page 139

Axle Locker Fault Indicator Light

Ú page 139

Rear Axle Lock Indicator Light

Ú page 139

Front And Rear Axle Lock Indicator Light

Ú page 139

Forward Collision Warning OFF Indicator Light

Ú page 139

Neutral Indicator Light

Ú page 139

1

21_JT_OM_EN_USC_t.book Page 13

14

Service Adaptive Cruise Control Warning Light

Ú page 140

Sway Bar Indicator Light

Ú page 140

Off Road+ Indicator Light

Ú page 140

Cargo Light On Indicator Light

Ú page 140

Wait To Start Light

Ú page 140

Low Diesel Exhaust Emissions Additive AdBlue® (UREA)

Indicator Light

Ú page 140

Water In Fuel Indicator Light

Ú page 140

Yellow Indicator Lights

Green Indicator Lights

Adaptive Cruise Control (ACC) Set With No Target Detected

Indicator Light

Ú page 141

Adaptive Cruise Control (ACC) Set With Target Light

Ú page 141

4WD Auto Indicator Light

Ú page 141

Cruise Control SET Indicator Light With A Premium Instrument

Cluster

Ú page 141

Front Fog Indicator Light

Ú page 141

Parking/Headlights On Indicator Light

Ú page 141

Stop/Start Active Indicator Light

Ú page 141

Turn Signal Indicator Lights

Ú page 141

21_JT_OM_EN_USC_t.book Page 14

15

Rear Seat Belt Fastened Indicator Light With A Premium

Instrument Cluster

Ú page 141

White Indicator Lights

Adaptive Cruise Control (ACC) Ready Light

Ú page 142

Adaptive Cruise Control (ACC) Ready Light

Ú page 142

Adaptive Cruise Control (ACC) Set Light

Ú page 142

Two Wheel Drive High Indicator Light

Ú page 142

Rear Seat Belt Fastened Indicator Light

Ú page 142

Rear Seat Belt Reminder Indicator Light

Ú page 142

Green Indicator Lights

Rear Seat Unoccupied Indicator Light

Ú page 142

Cruise Control Ready Indicator Light

Ú page 142

Cruise Control SET Indicator Light

Ú page 142

Cruise Control Ready Indicator Light

Ú page 143

Selec-Speed Control (SSC) Indicator Light

Ú page 143

Blue Indicator Lights

High Beam Indicator Light

Ú page 143

White Indicator Lights

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21_JT_OM_EN_USC_t.book Page 15

16

GETTING TO KNOW YOUR VEHICLE

KEYS

KEY FOB

Your vehicle is equipped with a key fob which

supports Passive Entry, Remote Keyless Entry

(RKE), Keyless Enter-N-Go (if equipped), and

Remote Start (if equipped). The key fob allows

you to lock or unlock the doors and tailgate from

distances up to approximately 66 ft (20 m). The

key fob does not need to be pointed at the

vehicle to activate the system. The key fob also

contains a mechanical key.

NOTE:

 The key fob’s wireless signal may be blocked

if the key fob is located next to a mobile

phone, laptop, or other electronic device.

This may result in poor performance.

 With the ignition on and the vehicle moving at

2 mph (4 km/h), all RKE commands are

disabled Ú page 497.

Key Fob

WARNING!

Push the Mechanical Key Release Button only

with the key fob facing away from your body,

especially your eyes and objects that may be

damaged, such as clothing.

CAUTION!

The electrical components inside of the key

fob may be damaged if the key fob is

subjected to strong electrical shocks. In order

to ensure complete effectiveness of the

electronic devices inside of the key fob, avoid

exposing the key fob to direct sunlight.

1 — Mechanical Key Release Button

2 — LED Indicator

3 — Unlock Button

4 — Remote Start Button

5 — Panic Button

6 — Lock Button

21_JT_OM_EN_USC_t.book Page 16

GETTING TO KNOW YOUR VEHICLE 17

To Lock/Unlock The Doors And Tailgate

Push and release the unlock button on the key

fob once to unlock the driver’s door, or twice to

unlock all the doors. To lock all the doors, push

the lock button once.

When the doors are unlocked, the turn signals

will flash and the illuminated entry system will

be activated. When the doors are locked, the

turn signals will flash and the horn will chirp.

NOTE:

 All doors can be programmed to unlock on

the first push of the unlock button through

Uconnect Settings Ú page 234.

 The mechanical flip key can be used to lock

or unlock the doors, tailgate, glove compart-

ment, storage compartments (if equipped),

and rear seatbacks.

Using The Panic Alarm

To turn the Panic Alarm feature on or off, push

the panic button on the key fob. When the Panic

Alarm is activated, the turn signals will flash, the

horn will pulse on and off, and the interior lights

will turn on.

The Panic Alarm will stay on for three minutes

unless you turn it off by either pushing the panic

button a second time or drive the vehicle at a

speed of 2 mph (4 km/h) or greater.

NOTE:

 The interior lights will turn off if you place the

ignition in the ACC or ON/RUN position while

the Panic Alarm is activated. However, the

exterior lights and horn will remain on.

 You may need to be less than 35 ft (11 m)

from the vehicle when using the key fob to

turn off the Panic Alarm due to the radio

frequency noises emitted by the system.

Replacing The Battery In The Key Fob

The recommended replacement battery is

CR2450.

NOTE:

 Customers are recommended to use a

battery obtained from Mopar®. Aftermarket

coin battery dimensions may not meet the

original OEM coin battery dimensions.

 Perchlorate Material — special handling may

apply. See www.dtsc.ca.gov/hazard-

ouswaste/perchlorate for further informa-

tion.

 Do not touch the battery terminals that are

on the back housing or the printed circuit

board.

 When a key fob battery is low, a warning will

be indicated on the vehicle’s instrument

cluster, and the fob LED will no longer illumi-

nate with a button push.

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21_JT_OM_EN_USC_t.book Page 17

18 GETTING TO KNOW YOUR VEHICLE

(Continued)

1. Remove the back cover of the key fob by

inserting a flat-blade screwdriver into the

slot on the bottom of the fob. Apply light

pressure until the cover unsnaps being

careful not to damage the seal. Proceed

counter-clockwise (in the order shown

below) to loosen the remaining snaps until

the battery cover can be removed.

1-3 – Back Cover Pry Points

2. Remove the depleted battery by inserting a

small flat-blade screwdriver into the battery

removal slot and sliding the battery forward

and upward being careful not to damage

the electronic board underneath.

Battery Replacement

3. Install the new battery into the key fob,

making sure the positive (+) side is facing

up. Slide the battery until it is seated

securely below the tabs.

4. Reassemble the back cover making sure it

is properly aligned before snapping it back

in place.

Programming And Requesting Additional

Key Fobs

Programming the key fob may be performed by

an authorized dealer.

NOTE:

 Once a key fob is programmed to a vehicle, it

cannot be repurposed and reprogrammed to

another vehicle.

 Only key fobs that are programmed to the

vehicle electronics can be used to start and

operate the vehicle. Once a key fob is

programmed to a vehicle, it cannot be

programmed to any other vehicle.

WARNING!

 The integrated key fob contains a coin cell

battery. Do not ingest the battery; there is a

chemical burn hazard. If the coin cell

battery is swallowed, it can cause severe

internal burns in just two hours and can

lead to death.

 If you think a battery may have been swal-

lowed or placed inside any part of the body,

seek immediate medical attention.

 Keep new and used batteries away from

children. If the battery compartment does

not close securely, stop using the product

and keep it away from children.

WARNING!

21_JT_OM_EN_USC_t.book Page 18

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Jeep 2021 Gladiator, GLADIATOR Owner's manual

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