GMC Sierra Owner's manual

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GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
2012 GMC Sierra Owner Manual M
In Brief . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . 1-8
Vehicle Features . . . . . . . . . . . . . 1-27
Performance and
Maintenance . . . . . . . . . . . . . . . . 1-35
Keys, Doors, and
Windows . . . . . . . . . . . . . . . . . . . . 2-1
Keys and Locks . . . . . . . . . . . . . . . 2-2
Doors . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Vehicle Security. . . . . . . . . . . . . . 2-11
Exterior Mirrors . . . . . . . . . . . . . . . 2-14
Interior Mirrors . . . . . . . . . . . . . . . . 2-18
Windows . . . . . . . . . . . . . . . . . . . . . 2-19
Roof . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Seats and Restraints . . . . . . . . . 3-1
Head Restraints . . . . . . . . . . . . . . . 3-2
Front Seats . . . . . . . . . . . . . . . . . . . . 3-3
Rear Seats . . . . . . . . . . . . . . . . . . . 3-10
Safety Belts . . . . . . . . . . . . . . . . . . 3-12
Airbag System . . . . . . . . . . . . . . . . 3-21
Child Restraints . . . . . . . . . . . . . . 3-39
Storage . . . . . . . . . . . . . . . . . . . . . . . 4-1
Storage Compartments . . . . . . . . 4-1
Instruments and Controls . . . . 5-1
Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . 5-11
Information Displays . . . . . . . . . . 5-30
Vehicle Messages . . . . . . . . . . . . 5-39
Vehicle Personalization . . . . . . . 5-48
Universal Remote System . . . . 5-56
Lighting . . . . . . . . . . . . . . . . . . . . . . . 6-1
Exterior Lighting . . . . . . . . . . . . . . . 6-1
Interior Lighting . . . . . . . . . . . . . . . . 6-7
Lighting Features . . . . . . . . . . . . . . 6-9
Infotainment System . . . . . . . . . 7-1
Introduction . . . . . . . . . . . . . . . . . . . . 7-1
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Audio Players . . . . . . . . . . . . . . . . 7-15
Rear Seat Infotainment . . . . . . . 7-37
Phone . . . . . . . . . . . . . . . . . . . . . . . . 7-48
Trademarks and License
Agreements . . . . . . . . . . . . . . . . . 7-55
Climate Controls . . . . . . . . . . . . . 8-1
Climate Control Systems . . . . . . 8-1
Air Vents . . . . . . . . . . . . . . . . . . . . . 8-10
Driving and Operating . . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-25
Engine Exhaust . . . . . . . . . . . . . . 9-33
Automatic Transmission . . . . . . 9-35
Drive Systems . . . . . . . . . . . . . . . . 9-40
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-53

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2012 GMC Sierra Owner Manual M
Ride Control Systems . . . . . . . . 9-55
Cruise Control . . . . . . . . . . . . . . . . 9-58
Object Detection Systems . . . . 9-61
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-68
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-74
Conversions and
Add-Ons . . . . . . . . . . . . . . . . . . . 9-105
Vehicle Care . . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Headlamp Aiming . . . . . . . . . . . 10-37
Bulb Replacement . . . . . . . . . . 10-39
Electrical System . . . . . . . . . . . . 10-43
Wheels and Tires . . . . . . . . . . . 10-50
Jump Starting . . . . . . . . . . . . . . . 10-88
Towing . . . . . . . . . . . . . . . . . . . . . . 10-93
Appearance Care . . . . . . . . . . . 10-98
Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application
Services . . . . . . . . . . . . . . . . . . . . 11-8
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . 11-9
Recommended Fluids,
Lubricants, and Parts . . . . . . 11-12
Maintenance Records . . . . . . . 11-16
Technical Data . . . . . . . . . . . . . . . 12-1
Vehicle Identification . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2
Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-17
Vehicle Data Recording and
Privacy. . . . . . . . . . . . . . . . . . . . 13-19
OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Overview. . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional
Information . . . . . . . . . . . . . . . . . . 14-5
Index . . . . . . . . . . . . . . . . . . . . . i-1

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Introduction iii

The names, logos, emblems,

slogans, vehicle model names, and

vehicle body designs appearing in

this manual including, but not limited

to, GM, the GM logo, GMC, the

GMC Truck Emblem, and SIERRA

are trademarks and/or service

marks of General Motors LLC, its

subsidiaries, affiliates, or licensors.

This manual describes features that

may or may not be on your specific

vehicle either because they are

options that you did not purchase

or due to changes subsequent to

the printing of this owner manual.

Please refer to the purchase

documentation relating to your

specific vehicle to confirm each of

the features found on your vehicle.

For vehicles first sold in Canada,

substitute the name “General

Motors of Canada Limited” for GMC

Division wherever it appears in this

manual.

If the vehicle has the Duramax

®

diesel engine, see the Duramax

diesel supplement for additional and

specific information on this engine.

If the vehicle is a hybrid, see

the hybrid supplement for more

information.

Keep this manual in the vehicle for

quick reference.

Canadian Vehicle Owners

Propriétaires Canadiens

A French language copy of this

manual can be obtained from your

dealer or from:

On peut obtenir un exemplaire de

ce guide en français auprès du

concessionnaire ou à l'adresse

suivante:

Helm, Incorporated

Attention: Customer Service

47911 Halyard Drive

Plymouth, MI 48170

Litho in U.S.A.

Part No. 20902916 B Second Printing

©

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iv Introduction

Using this Manual

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.

Danger, Warnings, and

Cautions

Warning messages found on vehicle

labels and in this manual describe

hazards and what to do to avoid or

reduce them.

Danger indicates a hazard with a

high level of risk which will result in

serious injury or death.

Warning or Caution indicates a

hazard that could result in injury or

death.

{

WARNING

These mean there is something

that could hurt you or other

people.

Notice: This means there is

something that could result in

property or vehicle damage. This

would not be covered by the

vehicle's warranty.

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.”

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,

gauge, 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.

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Introduction v

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)

% : 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 Gauge

+ : Fuses

3 : Headlamp High/Low-Beam

Changer

j : LATCH System Child

Restraints

* : Malfunction Indicator Lamp

: : Oil Pressure

g : Outside Power Foldaway

Mirrors

O : Power

/ : Remote Vehicle Start

> : Safety Belt Reminders

7 : Tire Pressure Monitor

_ : Tow/Haul Mode

d : Traction Control/StabiliTrak®

M : Windshield Washer Fluid

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vi Introduction

2 NOTES

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In Brief 1-1
In Brief
Instrument Panel
Instrument Panel (Base/Uplevel
Version) . . . . . . . . . . . . . . . . . . . . . 1-2
Instrument Panel (Premium
Version) . . . . . . . . . . . . . . . . . . . . . 1-6
Initial Drive Information
Initial Drive Information . . . . . . . . 1-8
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . . . . . . . . . 1-8
Remote Vehicle Start . . . . . . . . . 1-9
Door Locks . . . . . . . . . . . . . . . . . . . 1-9
Windows . . . . . . . . . . . . . . . . . . . . . 1-10
Seat Adjustment . . . . . . . . . . . . . 1-11
Memory Features . . . . . . . . . . . . 1-14
Heated and Ventilated
Seats . . . . . . . . . . . . . . . . . . . . . . . 1-15
Head Restraint
Adjustment . . . . . . . . . . . . . . . . . 1-15
Safety Belts . . . . . . . . . . . . . . . . . . 1-16
Passenger Sensing
System . . . . . . . . . . . . . . . . . . . . . 1-16
Mirror Adjustment . . . . . . . . . . . . 1-16
Steering Wheel
Adjustment . . . . . . . . . . . . . . . . . 1-19
Throttle and Brake Pedal
Adjustment . . . . . . . . . . . . . . . . . 1-19
Interior Lighting . . . . . . . . . . . . . . 1-20
Exterior Lighting . . . . . . . . . . . . . 1-21
Windshield Wiper/Washer . . . . 1-21
Climate Controls . . . . . . . . . . . . . 1-22
Transmission . . . . . . . . . . . . . . . . 1-24
Four-Wheel Drive . . . . . . . . . . . . 1-25
Vehicle Features
Radio(s) . . . . . . . . . . . . . . . . . . . . . 1-27
Satellite Radio . . . . . . . . . . . . . . . 1-28
Portable Audio Devices . . . . . . 1-28
Bluetooth
®
. . . . . . . . . . . . . . . . . . . 1-29
Steering Wheel Controls . . . . . 1-29
Cruise Control . . . . . . . . . . . . . . . 1-30
Navigation System . . . . . . . . . . . 1-30
Driver Information
Center (DIC) . . . . . . . . . . . . . . . 1-30
Rear Vision
Camera (RVC) . . . . . . . . . . . . . 1-31
Ultrasonic Parking Assist . . . . 1-31
Power Outlets . . . . . . . . . . . . . . . 1-32
Universal Remote System . . . 1-32
Sunroof . . . . . . . . . . . . . . . . . . . . . . 1-33
Performance and Maintenance
StabiliTrak
®
System . . . . . . . . . 1-35
Tire Pressure Monitor . . . . . . . . 1-35
Engine Oil Life System . . . . . . 1-35
Fuel E85 (85% Ethanol) . . . . . 1-36
Driving for Better Fuel
Economy . . . . . . . . . . . . . . . . . . . 1-36
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . 1-36
OnStar
®
. . . . . . . . . . . . . . . . . . . . . 1-37

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1-2 In Brief

Instrument Panel

Instrument Panel (Base/Uplevel Version)

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In Brief 1-3

A. Air Vents on page 8‑10.

B. Turn and Lane‐Change Lever.

See Turn and Lane-Change

Signals on page 6‑5.

Windshield Wiper/Washer on

page 5‑4.

C. Driver Information Center (DIC)

Buttons. See Driver Information

Center (DIC) on page 5‑30.

D. Hazard Warning Flashers on

page 6‑5 (Out of View).

E. Instrument Cluster on

page 5‑12.

F. Shift Lever. See Automatic

Transmission on page 9‑35.

Tow/Haul Selector Button (If

Equipped). See Tow/Haul Mode

on page 9‑39.

Range Selection Mode (Allison

Transmission and Hydra-Matic

®

6‐Speed Button) (If Equipped).

See Manual Mode on

page 9‑38.

G. Infotainment on page 7‑1.

H. Instrument Panel Storage on

page 4‑1.

I. Integrated Trailer Brake

Controller (If Equipped). See

Trailer Towing on page 9‑78.

J. Exterior Lamp Controls on

page 6‑1.

K. Data Link Connector (DLC)

(Out of View). See Malfunction

Indicator Lamp on page 5‑22.

L. Hood Release. See Hood on

page 10‑5.

M. Parking Brake on page 9‑54.

N. Dome Lamps on page 6‑8.

Fog Lamps on page 6‑6

(If Equipped).

O. Cruise Control on page 9‑58.

P. Steering Wheel Adjustment on

page 5‑2.

Q. Horn on page 5‑4.

R. Steering Wheel Controls on

page 5‑2 (If Equipped).

S. Automatic Transfer Case

Control (If Equipped). See

Four-Wheel Drive on

page 10‑30.

T. Ashtray (If Equipped). See

Ashtrays on page 5‑11 and

Cigarette Lighter on page 5‑10.

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1-4 In Brief

U. StabiliTrak

®

System on

page 9‑55 (If Equipped).

Ultrasonic Parking Assist on

page 9‑61 (If Equipped).

Pedal Adjust Button

(If Equipped). See Adjustable

Throttle and Brake Pedal on

page 9‑25.

Exhaust Brake (If Equipped).

See “Brakes” in the Duramax

diesel supplement.

V. Power Outlets on page 5‑9.

W. Climate Control Systems (with

Air Conditioning) on page 8‑1 or

Climate Control Systems (with

Heater Only) on page 8‑4

(If Equipped).

Dual Automatic Climate Control

System on page 8‑5

(If Equipped).

X. Power Take Off (PTO) Control

(If Equipped). See Power Take

Off (PTO) in the Duramax diesel

supplement.

Y. Passenger Airbag Off Control

(If Equipped). See Airbag

On-Off Switch on page 3‑29.

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In Brief 1-5

2 NOTES

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1-6 In Brief

Instrument Panel (Premium Version)

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In Brief 1-7

A. Air Vents on page 8‑10.

B. Turn and Lane‐Change Lever.

See Turn and Lane-Change

Signals on page 6‑5.

Windshield Wiper/Washer on

page 5‑4.

C. Instrument Cluster on

page 5‑12.

D. Hazard Warning Flashers on

page 6‑5 (Out of View).

E. Shift Lever. See Automatic

Transmission on page 9‑35.

Range Selection Mode

(If Equipped). See Manual

Mode on page 9‑38.

F. Tow/Haul Mode on page 9‑39

(If Equipped).

G. Driver Information Center (DIC)

Buttons. See Driver Information

Center (DIC) on page 5‑30.

H. Infotainment on page 7‑1.

I. Exterior Lamp Controls on

page 6‑1.

J. Integrated Trailer Brake

Controller (If Equipped). See

Trailer Towing on page 9‑78.

K. Dome Lamps on page 6‑8.

L. Automatic Transfer Case

Control (If Equipped). See

Four-Wheel Drive on

page 10‑30.

M. Data Link Connector (DLC)

(Out of View). See Malfunction

Indicator Lamp on page 5‑22.

N. Hood Release. See Hood on

page 10‑5.

O. Parking Brake on page 9‑54.

P. Cruise Control on page 9‑58.

Q. Steering Wheel Adjustment on

page 5‑2.

R. Horn on page 5‑4.

S. Steering Wheel Controls on

page 5‑2.

T. Climate Control Systems (with

Air Conditioning) on page 8‑1 or

Climate Control Systems (with

Heater Only) on page 8‑4

(If Equipped).

Dual Automatic Climate

Control System on page 8‑5

(If Equipped).

U. Power Outlets on page 5‑9.

Cigarette Lighter (If Equipped).

See Ashtrays on page 5‑11 and

Cigarette Lighter on page 5‑10.

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1-8 In Brief

V. StabiliTrak

®

System on

page 9‑55 (If Equipped).

Pedal Adjust Button (If

Equipped). See Adjustable

Throttle and Brake Pedal on

page 9‑25.

Ultrasonic Parking Assist on

page 9‑61 (If Equipped).

Exhaust Brake (If Equipped).

See “Brakes” in the Duramax

diesel supplement.

W. Passenger Airbag Off Control (If

Equipped). See Airbag On-Off

Switch on page 3‑29.

Initial Drive

Information

This section provides a brief

overview about some of the

important features that may or may

not be on your specific vehicle.

For more detailed information, refer

to each of the features which can be

found later in this owner manual.

Remote Keyless Entry

(RKE) System

The RKE transmitter is used to

remotely lock and unlock the doors

from up to 60 m (195 ft) away from

the vehicle.

K : Press to unlock the driver door.

Press

K again within three seconds

to unlock all remaining doors.

Q : Press to lock all doors. Lock

and unlock feedback can be

personalized. See Vehicle

Personalization (With DIC Buttons)

on page 5‑48.

L : Press and release to locate

the vehicle. Press

L and hold for

more than two seconds to sound the

panic alarm. Press

L again to

cancel the panic alarm.

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In Brief 1-9

See Keys on page 2‑2 and Remote

Keyless Entry (RKE) System

Operation on page 2‑3.

Remote Vehicle Start

With this feature the engine can be

started from outside of the vehicle.

Starting the Vehicle

1. Aim the RKE transmitter at the

vehicle.

2. Press and release

Q.

3. Immediately after completing

Step 2, press and hold

/ until

the turn signal lamps flash.

When the vehicle starts, the parking

lamps will turn on and remain on as

long as the engine is running. The

doors will be locked and the climate

control system may come on.

The engine will continue to run for

10 minutes. Repeat the steps for a

10-minute time extension. Remote

start can be extended only once.

Canceling a Remote Start

To cancel a remote start:

.

Aim the RKE transmitter at

the vehicle and press and

hold

/ until the parking lamps

turn off.

.

Turn on the hazard warning

flashers.

.

Turn the ignition on and then

back off.

See Remote Vehicle Start on

page 2‑5.

Door Locks

There are several ways to lock and

unlock the vehicle.

From outside, use the Remote

Keyless Entry (RKE) transmitter or

the key in the driver door.

From inside, use the power door

locks or the manual door locks. To

lock or unlock the door with the

manual locks, push down or pull up

on the manual lock knob.

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1-10 In Brief

Power Door Locks

Crew Cab Premium Trim Shown,

Up-Level Similar

Base Trim

For vehicles with power door locks:

Q : Press to lock the doors.

K : Press to unlock the doors.

See Door Locks on page 2‑7 and

Power Door Locks on page 2‑8 for

more information.

Windows

Manual Windows

Turn the hand crank on each door

to manually raise or lower the

manual windows.

Power Windows

Crew Cab Premium Trim Shown,

Others Models Similar

The driver door has a switch

to control all windows. Each

passenger door has a switch to

control that window. The power

windows work when the ignition

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In Brief 1-11

is in ON/RUN or ACC/

ACCESSORY, or Retained

Accessory Power (RAP). See

Retained Accessory Power (RAP)

on page 9‑29.

Press the switch to lower the

window. Pull the switch up to

raise it.

For more information, see:

.

Windows on page 2‑19.

.

Power Windows on page 2‑20.

Power Sliding Rear Window

If equipped, the power sliding rear

window works when the ignition has

been turned to ACC/ACCESSORY

or ON/RUN, or when Retained

Accessory Power (RAP) is active.

See Retained Accessory Power

(RAP) on page 9‑29

.

Push the switch to open the

window.

.

Pull the switch to close the

window.

The power sliding rear window

cannot be operated manually.

Seat Adjustment

Manual Seats

To adjust the seat:

1. Lift the bar to unlock the seat.

2. Slide the seat to the desired

position and release the bar.

3. Try to move the seat back and

forth to be sure the seat is

locked in place.

See Seat Adjustment on page 3‑3.

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1-12 In Brief

Power Seats

To adjust a power seat, if equipped:

.

Move the seat forward or

rearward by sliding the control

forward or rearward.

.

If available, raise or lower the

front or rear part of the seat

cushion by moving the front or

rear of the control up or down.

.

If available, raise or lower the

entire seat by moving the entire

control up or down.

See Power Seat Adjustment on

page 3‑4.

Lumbar Adjustment

Manual Lumbar

If equipped, increase or decrease

manual lumbar support by turning

the knob forward or rearward.

See Lumbar Adjustment on

page 3‑4.

Power Lumbar

To adjust the power lumbar support,

if equipped:

.

On vehicles with two-way

lumbar, press and hold the top

or bottom of the control to

increase or decrease lumbar

support.

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In Brief 1-13

.

On vehicles with four-way

lumbar, press and hold the front

or rear of the control to increase

or decrease lumbar support. To

raise or lower the height of the

support, press and hold the top

or bottom of the control.

See Lumbar Adjustment on

page 3‑4.

Reclining Seatbacks

Manual Reclining Seatbacks

To recline a manual seatback:

1. Lift the lever.

2. Move the seatback to the

desired position, and 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 the upright

position:

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.

See Reclining Seatbacks on

page 3‑5.

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1-14 In Brief

Power Reclining Seatbacks

To adjust a power seatback,

if equipped:

.

Tilt the top of the control

rearward to recline.

.

Tilt the top of the control forward

to raise.

See Reclining Seatbacks on

page 3‑5.

Memory Features

On vehicles with the memory

feature, the controls on the driver

door are used to program and recall

memory settings for the driver seat,

outside mirrors, and the adjustable

throttle and brake pedals,

if equipped.

Storing Memory Positions

To save into memory:

1. Adjust the driver seat and

seatback recliner, both outside

mirrors, and the throttle and

brake pedals, if equipped.

See Power Mirrors on page 2‑15

and Adjustable Throttle and

Brake Pedal on page 9‑25.

Not all mirrors and adjustable

throttle and brake pedals will

have the ability to save and

recall their positions.

2. Press and hold “1” until

two beeps sound.

3. Repeat for a second driver

position using “2.”

To recall, press and release “1”

or “2.” The vehicle must be in

P (Park). A single beep will sound.

The seat, outside mirrors, and

adjustable throttle and brake pedals,

if equipped, will move to the position

previously stored for the identified

driver.

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GMC Sierra, 2012, 2012 Sierra, Sierra 2012 Owner's manual

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