GMC 2009 Owner's manual

Seats and Restraint System

............................. 1-1

Head Restraints

......................................... 1-3

Front Seats

............................................... 1-4

Rear Seats

.............................................. 1-14

Safety Belts

............................................. 1-16

Child Restraints

....................................... 1-38

Airbag System

......................................... 1-72

Restraint System Check

............................ 1-91

Features and Controls

..................................... 2-1

Keys

........................................................ 2-3

Doors and Locks

...................................... 2-10

Windows

................................................. 2-15

Theft-Deterrent Systems

............................ 2-18

Starting and Operating Your Vehicle

........... 2-22

Mirrors

.................................................... 2-57

Object Detection Systems

.......................... 2-61

OnStar

®

System

...................................... 2-70

Universal Home Remote System

................ 2-73

Storage Areas

......................................... 2-80

Sunroof

.................................................. 2-84

Instrument Panel

............................................. 3-1

Instrument Panel Overview

.......................... 3-4

Climate Controls

...................................... 3-24

Warning Lights, Gages, and Indicators

........ 3-33

Driver Information Center (DIC)

.................. 3-53

Audio System(s)

....................................... 3-84

Driving Your Vehicle

....................................... 4-1

Your Driving, the Road, and the Vehicle

....... 4-2

Towing

................................................... 4-47

Service and Appearance Care

.......................... 5-1

Service

..................................................... 5-4

Fuel

......................................................... 5-6

Checking Things Under the Hood

............... 5-14

Rear Axle

............................................... 5-51

Four-Wheel Drive

..................................... 5-53

Front Axle

............................................... 5-56

Noise Control System

............................... 5-57

Headlamp Aiming

..................................... 5-58

Bulb Replacement

.................................... 5-61

Windshield Wiper Blade Replacement

......... 5-66

2009 GMC Sierra Owner Manual M

Tires

...................................................... 5-67

Appearance Care

................................... 5-115

Vehicle Identiﬁcation

............................... 5-122

Electrical System

.................................... 5-123

Capacities and Speciﬁcations

................... 5-131

Maintenance Schedule

..................................... 6-1

Maintenance Schedule

................................ 6-2

Customer Assistance Information

.................... 7-1

Customer Assistance and Information

........... 7-2

Reporting Safety Defects

........................... 7-15

Vehicle Data Recording and Privacy

........... 7-17

Index

................................................................ 1

GENERAL MOTORS, GM, the GM Emblem, GMC,

the GMC Truck Emblem, and the name SIERRA are

registered trademarks of General Motors Corporation.

This manual includes the latest information at the time it

was printed. GM reserves the right to make changes after

that time without further notice. For vehicles ﬁrst sold in

Canada, substitute the name “General Motors of Canada

Limited” for GMC wherever it appears in this manual.

This manual describes features that may or may not be

on your speciﬁc vehicle.

Read this manual from beginning to end to learn about

the vehicle’s features and controls. Pictures, symbols,

and words work together to explain vehicle operation.

If the vehicle has the DURAMAX

®

Diesel engine, refer to

the DURAMAX

®

Diesel supplement for additional and

speciﬁc information on this engine.

Keep this manual in the vehicle for quick reference.

Canadian Owners

(Propriétaires Canadiens)

A French language copy of this manual can be obtained

from your dealer/retailer or from:

On peut obtenir un exemplaire de ce guide en français

auprès du concessionnaire ou à l’adresse suivante:

Helm, Incorporated

P.O. Box 07130

Detroit, MI 48207

1-800-551-4123

Numéro de poste 6438 de langue française

www.helminc.com

Index

To quickly locate information about the vehicle, use the

index in the back of the manual. It is an alphabetical

list of what is in the manual and the page number where

it can be found.

Litho in U.S.A.

Part No. 15911381 B Second Printing

©

iii

Safety Warnings and Symbols

A circle with a slash

through it is a safety

symbol which means

“Do Not,” “Do not do this,”

or “Do not let this happen.”

A box with the word CAUTION is used to tell about

things that could hurt you or others if you were to ignore

the warning.

{ CAUTION:

These mean there is something that could hurt

you or other people.

Cautions tell what the hazard is and what to do to avoid

or reduce the hazard. Read these cautions.

A notice tells about something that can damage the

vehicle.

Notice: These mean there is something that could

damage your vehicle.

Many times, this damage would not be covered by the

vehicle’s warranty, and it could be costly. The notice

tells what to do to help avoid the damage.

There are also warning labels on the vehicle which use

the same words, CAUTION or Notice.

Vehicle Symbols

The vehicle has components and labels that use

symbols instead of text. Symbols are shown along

with the text describing the operation or information

relating to a speciﬁc component, control, message,

gage, or indicator.

M : This symbol is shown when you need to see your

owner manual for additional instructions or information.

* : This symbol is shown when you need to see a

service manual for additional instructions or information.

iv

Vehicle Symbol Chart

Here are some additional symbols that may be found on

the vehicle and what they mean. For more information

on the symbol, refer to the index.

0 : Adjustable Pedals

9 : Airbag Readiness Light

# : Air Conditioning

! : Antilock Brake System (ABS)

g : Audio Steering Wheel Controls or OnStar

®

$ : Brake System Warning Light

" : Charging System

I : Cruise Control

B : Engine Coolant Temperature

O : Exterior Lamps

# : Fog Lamps

. : Fuel Gage

+ : Fuses

i : Headlamp High/Low-Beam Changer

j : LATCH System Child Restraints

* : Malfunction Indicator Lamp

: : Oil Pressure

g : Outside Power Foldaway Mirrors

} : Power

/ : Remote Vehicle Start

> : Safety Belt Reminders

7 : Tire Pressure Monitor

_ : Tow/Haul Mode

F : Traction Control

M : Windshield Washer Fluid

v

✍ NOTES

vi

Head Restraints ...............................................1-3

Front Seats ......................................................1-4

Manual Seats ................................................1-4

Power Seats ..................................................1-5

Manual Lumbar ..............................................1-6

Power Lumbar ...............................................1-7

Heated Seats .................................................1-8

Memory Seat, Mirrors, and Pedals ....................1-8

Reclining Seatbacks ......................................1-10

Seatback Latches .........................................1-13

Center Seat .................................................1-13

Rear Seats .....................................................1-14

Rear Seat Operation (Extended Cab Full

Bench) .....................................................1-14

Rear Seat Operation (All Split Bench and

Hybrid Full Bench) .....................................1-15

Safety Belts ...................................................1-16

Safety Belts: They Are for Everyone ................1-16

How to Wear Safety Belts Properly .................1-22

Lap-Shoulder Belt .........................................1-30

Safety Belt Use During Pregnancy ..................1-36

Lap Belt (Crew and Extended Cab) .................1-36

Safety Belt Extender .....................................1-37

Child Restraints .............................................1-38

Older Children ..............................................1-38

Infants and Young Children ............................1-41

Child Restraint Systems .................................1-45

Where to Put the Restraint .............................1-48

Lower Anchors and Tethers for Children

(LATCH) ..................................................1-49

Securing a Child Restraint in a Rear Seat

Position ...................................................1-58

Securing a Child Restraint in the Center

Front Seat Position ....................................1-61

Securing a Child Restraint in the Right Front

Seat Position (With Airbag Off Switch) ..........1-62

Securing a Child Restraint in the Right Front

Seat Position (With Passenger Sensing

System) ...................................................1-66

Securing a Child Restraint in the Right Front

Seat Position (Heavy Duty Crew Cab Only)

......1-70

Airbag System ...............................................1-72

Where Are the Airbags? ................................1-75

When Should an Airbag Inﬂate? .....................1-77

What Makes an Airbag Inﬂate? .......................1-79

How Does an Airbag Restrain? .......................1-79

Section 1 Seats and Restraint System

1-1

What Will You See After an Airbag Inﬂates? .....1-80

Airbag Off Switch ..........................................1-81

Passenger Sensing System ............................1-84

Servicing Your Airbag-Equipped Vehicle ...........1-89

Adding Equipment to Your Airbag-Equipped

Vehicle ....................................................1-90

Restraint System Check ..................................1-91

Checking the Restraint Systems ......................1-91

Replacing Restraint System Parts After

a Crash ...................................................1-92

Section 1 Seats and Restraint System

1-2

Head Restraints

The front seats have adjustable head restraints in the

outboard seating positions.

{ CAUTION:

With head restraints that are not installed and

adjusted properly, there is a greater chance that

occupants will suffer a neck/spinal injury in a

crash. Do not drive until the head restraints for all

occupants are installed and adjusted properly.

Adjust the head restraint so that the top of the restraint is

at the same height as the top of the occupant’s head.

This position reduces the chance of a neck injury in a

crash.

1-3

Pull the head restraint up to raise it. To lower the head

restraint, press the button, located on the top of the

seatback, and push the restraint down.

Push down on the head restraint after the button is

released to make sure that it is locked in place.

The head restraints are not designed to be removed.

The rear seat has head rests that can be adjusted

up and down.

Front Seats

Manual Seats

{ CAUTION:

You can lose control of the vehicle if you try to

adjust a manual driver’s seat while the vehicle is

moving. The sudden movement could startle and

confuse you, or make you push a pedal when you

do not want to. Adjust the driver’s seat only when

the vehicle is not moving.

1-4

If the vehicle has a manual seat, it can be moved

forward or rearward.

1. Lift the bar to unlock

the seat.

2. Slide the seat to the

desired position and

release the bar.

Try to move the seat with your body to be sure the seat

is locked in place.

Power Seats

On a vehicle with power seats, the controls used to

operate them are located on the outboard side of the

seats.

Move the seat forward or rearward by sliding the control

forward or rearward.

Driver’s Seat with Power Seat Control, Power

Recline, and Power Lumbar shown

1-5

Your vehicle may have additional features to adjust your

vehicle’s power seat:

• Raise or lower the front part of the seat cushion by

moving the front of the control up or down.

• Raise or lower the rear part of the seat cushion by

moving the rear of the control up or down.

• Raise or lower the entire seat by moving the entire

control up or down.

On seats with power reclining seatbacks, the control is

located behind the power seat control on the outboard

side of the seats. See “Power Reclining Seatbacks”

under Reclining Seatbacks on page 1-10.

A vehicle with a memory function allows seat settings to

be saved and recalled. See Memory Seat, Mirrors,

and Pedals on page 1-8 for more information.

Manual Lumbar

On vehicles with this feature the control is located on

the outboard side of the seat.

Increase or decrease lumbar support by turning the

knob forward or rearward.

1-6

Power Lumbar

On seats with power lumbar, the controls used to operate

this feature are located on the outboard side of the seats.

• To increase lumbar support, press and hold the front

of the control.

• To decrease lumbar support, press and hold the rear

of the control.

The vehicle may have additional features to adjust your

vehicle’s power seat:

• To raise the height of the lumbar support, press

and hold the top of the control.

• To lower the height of the lumbar support, press

and hold the bottom of the control.

Release the control when the lower seatback reaches

the desired level of lumbar support.

Your vehicle may have a memory function which allows

seat settings to be saved and recalled. See Memory

Seat, Mirrors, and Pedals on page 1-8 for more

information.

Keep in mind that as your seating position changes,

as it may during long trips, so should the position of

your lumbar support. Adjust the seat as needed.

1-7

Heated Seats

On vehicles with heated front seats, the controls are

located on the driver and passenger doors.

I (Heated Seatback): Press to turn on the heated

seatback.

J (Heated Seat and Seatback): Press to turn on the

heated seat and seatback.

The light on the button will come on to indicate that the

feature is working. Press the button to cycle through the

temperature settings of high, medium, and low and to turn

the heat to the seat off. Indicator lights will show the level

of heat selected: three for high, two for medium, and one

for low.

The heated seats will be canceled 10 seconds after the

ignition is turned off. To use the heated seat feature after

restarting the vehicle, press the heated seat or seatback

button again.

Memory Seat, Mirrors, and Pedals

Your vehicle may have the memory package.

The controls for this feature

are located on the driver’s

door panel, and are used to

program and recall memory

settings for the driver’s

seat, outside mirrors, and

the adjustable throttle and

brake pedal.

To save seating positions in memory:

1. Adjust the driver’s seat, including the seatback

recliner and lumbar, both outside mirrors, and the

throttle and brake pedals to a comfortable position.

See Outside Power Mirrors on page 2-58 and

Adjustable Throttle and Brake Pedal on page 2-26

for more information.

Not all mirrors, adjustable throttles and brake pedals,

or power lumbar will have the ability to save and

recall their positions.

2. Press and hold button 1 until two beeps sound to

indicate that the position has been stored.

1-8

A second seating, lumbar, mirror, and throttle and brake

pedal position can be programmed by repeating the

above steps and pressing button 2.

To recall the memory positions, the vehicle must be in

PARK (P). Press and release either button 1 or button 2

corresponding to the desired driving position. The seat,

outside mirrors, and adjustable throttle and brake pedals

will move to the position previously stored. You will hear a

single beep.

If you use the remote keyless entry transmitter to enter

your vehicle and the remote recall memory feature is on,

automatic seat, adjustable mirror, and adjustable pedal

movements will occur. See “MEMORY SEAT RECALL”

under DIC Vehicle Customization (With DIC Buttons) on

page 3-75 for more information.

To stop recall movement of the memory function at any

time, press one of the power seat controls, memory

buttons, power mirror buttons, or adjustable pedal switch.

If something has blocked the driver’s seat and/or the

adjustable pedals while recalling a memory position, the

driver’s seat and/or the adjustable pedals recall may stop

working. If this happens, remove the obstruction and

press the appropriate control for the area that is not

responding for two seconds. Try recalling the memory

position again by pressing the appropriate memory

button. If the memory position is still not recalling, see

your dealer for service.

Easy Exit Seat

The control for this feature is located on the driver’s

door panel between buttons 1 and 2.

With the vehicle in PARK (P), the driver’s seat exit

position can be recalled by pressing the exit button.

You will hear a single beep, and the driver’s seat

will move back.

If the easy exit seat feature is programmed in the Driver

Information Center (DIC), automatic seat movement

will occur when the key is removed from the ignition.

See “EASY EXIT SEAT” under DIC Vehicle

Customization (With DIC Buttons) on page 3-75 for

more information.

The memory seat and easy exit features can also be

programmed using the DIC.

For programming information, see DIC Vehicle

Customization (With DIC Buttons) on page 3-75.

1-9

Reclining Seatbacks

{ CAUTION:

You can lose control of the vehicle if you try to

adjust a manual driver’s seat while the vehicle is

moving. The sudden movement could startle and

confuse you, or make you push a pedal when you

do not want to. Adjust the driver’s seat only when

the vehicle is not moving.

{ CAUTION:

If either seatback is not locked, it could move

forward in a sudden stop or crash. That could

cause injury to the person sitting there. Always

push and pull on the seatbacks to be sure they

are locked.

1-10

{ CAUTION:

Sitting in a reclined position when your vehicle is

in motion can be dangerous. Even if you buckle

up, your safety belts cannot do their job when you

are reclined like this.

The shoulder belt cannot do its job. In a crash, you

could go into it, receiving neck or other injuries.

The lap belt cannot do its job either. In a crash the

belt could go up over your abdomen. The belt

forces would be there, not at your pelvic bones.

This could cause serious internal injuries.

For proper protection when the vehicle is in motion,

have the seatback upright. Then sit well back in the

seat and wear your safety belt properly.

1-11

Manual Reclining Seatbacks

On seats with manual reclining seatbacks, the lever

used to operate them is located on the outboard side

of the seat(s).

To recline the seatback:

1. Lift the recline lever.

2. Move the seatback to the desired position, then

release the lever to lock the seatback in place.

3. Push and pull on the seatback to make sure it is

locked.

To return the seatback to an upright position, do the

following:

1. Lift the lever fully without applying pressure to the

seatback and the seatback will return to the upright

position.

2. Push and pull on the seatback to make sure it is

locked.

1-12

Power Reclining Seatbacks

If the seats have power reclining seatbacks, the control

used to recline them is located on the outboard side

of the seat behind the power seat control.

• To recline the seatback, tilt the top of the control

rearward.

• To bring the seatback forward, tilt the top of the

control forward.

Do not have a seatback reclined if your vehicle is moving.

Seatback Latches

The front seatbacks tilt forward to allow access to the

rear of the cab.

To tilt the seatback forward, lift the lever located on the

outboard side of the seat cushion.

{ CAUTION:

If either seatback is not locked, it could move

forward in a sudden stop or crash. That could

cause injury to the person sitting there. Always

push and pull on the seatbacks to be sure they

are locked.

To return the seatback to the upright position, push the

seatback rearward until it latches. After returning the

seatback to its upright position, push and pull on

the seatback to make sure it is locked.

Center Seat

Your vehicle may have a front center seat. The seatback

doubles as an armrest and cupholder/storage area for the

driver and passenger when the center seat is not used.

Do not use it as a seating position when the seatback is

folded down.

1-13

Rear Seats

Rear Seat Operation (Extended Cab

Full Bench)

Folding the Rear Seat

To fold the seat up, do the following:

Notice: Folding a rear seat with the safety belts

still fastened may cause damage to the seat or the

safety belts. Always unbuckle the safety belts

and return them to their normal stowed position

before folding a rear seat.

1. Pull up on the front of

the seat cushion while

pulling down on the

release strap, located

under the seat cushion.

2. Pull the seat cushion up until it latches with the

seatback.

3. After latching the seat cushion up, pull forward on it

to make sure it is locked.

To fold the seat down, do the following:

1. Push the seat cushion rearward while pulling the

release strap, located under the seat cushion.

Pull the seat cushion down until it latches.

2. After latching the seat cushion, pull up on it to

make sure it is locked.

1-14

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