
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
..................................................2-84Instrument 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 ManualM

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

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”
underDIC Vehicle Customization (With DIC Buttons) on
page 3-75for 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” underDIC Vehicle
Customization (With DIC Buttons) on page 3-75for
more information.
The memory seat and easy exit features can also be
programmed using the DIC.
For programming information, seeDIC Vehicle
Customization (With DIC Buttons) on page 3-75.
1-9

Keys...............................................................2-3
Remote Keyless Entry (RKE) System................2-4
Remote Keyless Entry (RKE) System
Operation...................................................2-5
Remote Vehicle Start......................................2-7
Doors and Locks............................................2-10
Door Locks..................................................2-10
Power Door Locks........................................2-10
Delayed Locking...........................................2-11
Programmable Automatic Door Locks..............2-11
Rear Door Security Locks..............................2-11
Lockout Protection........................................2-12
Rear Doors..................................................2-12
Tailgate.......................................................2-13
Windows........................................................2-15
Manual Windows..........................................2-16
Power Windows............................................2-16
Power Sliding Rear Window...........................2-17
Sun Visors...................................................2-18
Theft-Deterrent Systems..................................2-18
Content Theft-Deterrent.................................2-18
PASS-Key
®III+ Electronic Immobilizer.............2-20
PASS-Key®III+ Electronic Immobilizer
Operation.................................................2-20Starting and Operating Your Vehicle................2-22
New Vehicle Break-In....................................2-22
Ignition Positions..........................................2-22
Retained Accessory Power (RAP)...................2-23
Starting the Engine.......................................2-24
Fast Idle System..........................................2-25
Adjustable Throttle and Brake Pedal................2-26
Engine Coolant Heater..................................2-27
Active Fuel Management™.............................2-28
Automatic Transmission Operation...................2-28
Tow/Haul Mode............................................2-34
Four-Wheel Drive..........................................2-37
Parking Brake..............................................2-50
Shifting Into Park..........................................2-52
Shifting Out of Park......................................2-54
Parking Over Things That Burn.......................2-54
Engine Exhaust............................................2-55
Running the Vehicle While Parked..................2-56
Mirrors...........................................................2-57
Manual Rearview Mirror.................................2-57
Automatic Dimming Rearview Mirror................2-57
Outside Manual Mirrors..................................2-57
Outside Towing Mirrors..................................2-58
Outside Power Mirrors...................................2-58
Outside Power Foldaway Mirrors.....................2-59
Section 2 Features and Controls
2-1

Park Tilt Mirrors............................................2-60
Outside Convex Mirror...................................2-60
Outside Heated Mirrors..................................2-60
Object Detection Systems...............................2-61
Ultrasonic Rear Parking Assist (URPA)............2-61
Rear Vision Camera (RVC)............................2-64
OnStar
®System.............................................2-70
Universal Home Remote System......................2-73
Universal Home Remote System Operation
(With Three Round LED)............................2-74Storage Areas................................................2-80
Glove Box...................................................2-80
Cupholders..................................................2-80
Instrument Panel Storage...............................2-81
Center Console Storage.................................2-81
Luggage Carrier...........................................2-82
Rear Seat Armrest........................................2-82
Cargo Management System...........................2-83
Sunroof.........................................................2-84
Section 2 Features and Controls
2-2

Notice:When replacing the battery, do not touch
any of the circuitry on the transmitter. Static
from your body could damage the transmitter.
To replace the battery:
1. Separate the transmitter with a at, thin object
inserted into the notch on the side.
2. Remove the old battery. Do not use a metal object.
3. Insert the new battery, positive side facing down.
Replace with a CR2032 or equivalent battery.
4. Snap the transmitter back together.Remote Vehicle Start
Your vehicle may have a remote starting feature.
This feature allows you to start the engine from outside
of the vehicle. It may also start up the vehicle’s
heating or air conditioning systems and rear window
defogger. Normal operation of the system will return
after the key is turned to the ON/RUN position.
If your vehicle has an automatic climate control system,
the climate control system will default to a heating or
cooling mode depending on the outside temperatures.
If your vehicle does not have an automatic climate control
system, the system will turn on at the setting the vehicle
was set to when the vehicle was last turned off.
During a remote start, if your vehicle has an automatic
climate control system and heated seats, the heated
seats will turn on during colder outside temperatures and
will shut off when the key is turned to ON/RUN. If your
vehicle does not have an automatic climate control
system, during remote start, you will need to manually
turn the heated seats on and off. SeeHeated Seats
on page 1-8for additional information.
Laws in some communities may restrict the use of
remote starters. For example, some laws may require
a person using the remote start to have the vehicle
in view when doing so. Check local regulations for any
requirements on remote starting of vehicles.
2-7