2008 GMC SIERRA wheel

Congratulations on your purchase of a GMC Sierra. Please read this information about your vehicle’s features and
your Owner Manual to ensure an outstanding ownership experience. Note that your vehicle may not include all thefeatures described in this booklet. Keep this booklet with your Owner Manual for easy reference.
DRIVER INFORMATION
Instrument Panels . . . . . . . . . . . . .2
Instrument Panel Cluster . . . . . . .4Vehicle Symbols . . . . . . . . . . . . . . .5
Voltmeter Operation . . . . . . . . . . . .5
Driver Information Center . . . . . .5
SAFETY& SECURITY
Remote Keyless Entry . . . . . . . . . .7
Content TheftDeterrent System . .7OnStar
® . . . . . . . . . . . . . . . . . . . . . .8
COMFORT
Power Seat Controls . . . . . . . . . . .8
Heated Seats . . . . . . . . . . . . . . . . . .8
Memory Settings . . . . . . . . . . . . . .9
Adjustable Pedals . . . . . . . . . . . . .9
Automatic Climate Controls . . . . .9
ENTERTAINMENT
Audio System Features . . . . . . . .10MultipleDisc CD Player . . . . . . . .13
Touch Screen Navigation
Entertainment System . . . . . . . . .13XM
®Satellite Radio . . . . . . . . . . .13
Rear Seat Audio and DVD Rear
Seat Entertainment Systems . . .14
Audio Steering Wheel Controls .14
CONVENIENCE
Remote Vehicle Start . . . . . . . . . .15Cruise Control . . . . . . . . . . . . . . .16
Rainsense™ II Windshield
Wipers . . . . . . . . . . . . . . . . . . . . . .16
Heated Windshield Washer
Fluid . . . . . . . . . . . . . . . . . . . . . . . .17
Automatic Headlamp System
and Interior Lamps . . . . . . . . . . . .17
Sunroof . . . . . . . . . . . . . . . . . . . . .17
Power Sliding Rear Window . . . .18Ultrasonic Rear Parking Assist .18
Universal Home Remote . . . . . . .19Automatic Dimming Rearview
Mirror with OnStar
®, Compass
and Temperature Display . . . . . .19
Power Foldaway Mirrors . . . . . . .19TrailerTow Mirrors . . . . . . . . . . . .20
Folding the Rear Seat . . . . . . . . .20
Cargo Management System . . . .20
PERFORMANCE & MAINTENANCE
6Speed Automatic
Transmission Controls . . . . . . . .21
StabiliTrak
®– Stability Control
System . . . . . . . . . . . . . . . . . . . . .21
Tire Pressure Monitor . . . . . . . . .21
Integrated Trailer Brake Control
System . . . . . . . . . . . . . . . . . . . . .22
Tighten Gas Cap Message . . . . .22
FlexFuel (E85) – Yellow Gas Cap 22Resetting the Engine Oil Life
System . . . . . . . . . . . . . . . . . . . . .23
OWNER INFORMATION
Sierra Accessories . . . . . . . . . . . .23
Roadside Assistance . . . . . . . . . .24
My GMLink . . . . . . . . . . . . . . . . . .24
Sierra 2008 A 5/16/07 7:49 AM Page 1

Getting to Know Your Sierra2
A. Air Outlets
B. Driver Information Center
Controls
C.Turn Signal/Multifunction
Lever
D. Instrument Panel ClusterE.Shift Lever
F. Tow/Haul Selector Button
(if equipped)
G. Audio System/Navigation
Entertainment System (if equipped)
H. Upper Storage
Compartment
See Section 3 of your Owner Manual.
DRIVER INFORMATION
Instrument Panel (Pure Pickup model)
I. Exterior Lamps Control
J. Dome Lamp Override
Button/Fog LampButton/InstrumentPanel Brightness Knob
K. Cruise Control Buttons
L. Tilt Steering Wheel
Lever
M.Horn
N. Audio Steering Wheel
Controls (if equipped)
O. Transfer Case Control
(if equipped)P. Accessory Power
Outlets
Q. Adjustable Pedals
Switch (ifequipped)
R. Ultrasonic Rear
Parking Assist Button(if equipped)
S. StabiliTrak Button
(if equipped)
T.Heated Windshield
Washer Fluid Button
(if equipped)
U.Climate Controls
V. Glove Box
ABDEFAG
IJKLMNOPQ
A
R
CH
STUP
A
V
Sierra 2008 A 5/16/07 7:49 AM Page 2

3
See Section 3 of your Owner Manual.
A. Air Outlets
B.Turn Signal/Multifunction
Lever
C.Instrument Panel Cluster
D. Shift Lever
E. Tow/Haul Selector Button
(if equipped)
F. Driver Information Center
Controls
G. Audio System/Navigation
Entertainment System (if equipped)
H.Exterior Lamps Control
Instrument Panel (Premium model)
ABDEFAAGC
HIJLMNOPUQRSTOK
I. Dome Lamp Override
Button/Fog LampButton/InstrumentPanel Brightness Knob
J. Transfer Case Control
(if equipped)
K. Cruise Control Buttons
L. Tilt Steering Wheel
Lever
M. HornN.Audio Steering Wheel
ControlsO. Accessory Power
Outlets
P. Adjustable Pedals
Switch (if equipped)
Q.Ultrasonic Rear
Parking Assist Button
(if equipped)
R. StabiliTrak Button
(if equipped)
S.Heated Windshield
Washer Fluid Button
(if equipped)
T. Climate ControlsU.Glove Box
Sierra 2008 A 5/16/07 7:49 AM Page 3

5
Following are examples of symbols you
may find on your vehicle. It is importantto become familiar with them, as theyalert you to various vehicle operatingconditions.
Air Bag Readiness LightAir Conditioning (A/C)
Antilock Brake System Warning
Light
Brake System Warning Light
(Parking Brake Set)
Cruise Control Set LightFourWheel Drive Light
(Manual Transmission only)
HeadlampsHeated MirrorsMalfunction Indicator Lamp
(Check Engine Light)
Off
On/Off
On
Rear Window DefoggerSafety Belt Reminder LightSecurity Light
StabiliTrak Warning Light
Tire Pressure Warning Light
Tow/Haul Mode Light
Ultrasonic Rear Parking Assist
Voltmeter Operation
The voltmeter shows the condition of the
vehicle’s charging system. The systemis designed to regulate voltage output tohelp improve fuel economy and extendbattery life. Normal system operationreadings may fluctuate (as indicated bythe blue area in the illustration above)based on vehicle operation, includingthe number of electrical accessoriesbeing operated and engine speed.
See Section 3 of your Owner Manual.
Vehicle Symbols
Driver Information Center
Your vehicle’s Driver Information Center
(DIC) provides vehicle information, vehi
cle feature customization (if equipped),
and vehicle warning messages. The DICmessages will be shown on the instru
ment panel cluster display.
Sierra 2008 A 5/16/07 7:49 AM Page 5

Getting to Know Your Sierra14
Rear Seat Audio and DVD Rear
Seat Entertainment Systems (if equipped)
Rear Seat Audio
The Rear Seat Audio (RSA) system
allows front seat and rear seat passen
gers to listen to different entertainmentsources at the same time using the rearseat controls and wired headphones(not supplied).
To select an entertainment source
(radio; CD; or DVD, if equipped), press
the SRCE (Source) button.
DVD Rear Seat Entertainment
The Rear Seat Entertainment (RSE)
system includes a CD/DVD player aspart of the front radio, a flipdown videoscreen, audio/video jacks, two wirelessheadphones, and a remote control.
To play a DVD:
1. Turn the ignition to the Accessory or
Run position.
2.Push the release button on the DVD
display console and pull down the
video screen.
3. Insert a DVD into the DVD slot in the
radio. It will turn on the video screenand begin playing automatically. It
may be necessary to press the Playpushbutton on the radio or the remotecontrol to start playing the movie ifthe DVD stops at a menu screen.
Audio Steering Wheel Controls
(if equipped)
The following audio controls are located
on the steering wheel:
+ – (Volume): Pull up the + or – button
to increase or decrease the volume.
(Next/Previous):Press the up or
down arrow to go to the next or previous
radio station stored as a favorite or,when a CD is playing, to the next orprevious track.
4. To listen to the DVD through the
vehicle speakers, press the DVD/CD
AUX button. Adjust volume using theradio volume control.
To listen to the DVD through the
headphones, select channel 1 and
push the power button on the head
phones. Adjust volume using theheadphone volume control.
5. To control DVD playback, use the
remote control or the front radiopushbuttons.
Parental Control
To enable the Parental Control feature to
gain the attention of rear passengers
using headphones, press and hold theradio power button for two seconds.
To turn off Parental Control, press
and hold the radio button again for twoseconds.
See Section 3 of your Owner Manual.
Note:Aim the remote control at the video
screen, not the DVD player, for properoperation.
Sierra 2008 A 5/16/07 7:49 AM Page 14

Getting to Know Your Sierra16
Cruise Control (if equipped)
The following
cruise controlbuttons arelocated on thesteering wheel:
(On/Off):Press this button
to turn the cruisecontrol system on
or off.
– SET (Set):Press this button
to set a speed, orto decrease the speed if the system isactive. When the cruise control speed isset, the cruise control light will illuminate
on the instrument panel cluster.
+ RES (Resume):Press this button to
resume a set speed, or to increase thespeed if the system is active.
(Cancel):Press this button to can
cel the cruise control but retain the setspeed in memory.
See Section 3 of your Owner Manual.
The Rainsense II windshield wipers use
a moisture sensor to automatically oper
ate the wipers when needed, dependingon driving conditions and the sensitivitysetting. If the system is left on for longperiods, an occasional wipe may occurwithout any moisture on the windshieldto indicate the system is activated.
Rainsense™II Windshield Wipers
(if equipped)
The headlamps also will be turned on
automatically when the Rainsensewipers are active if the exterior lamp
control knob is in the AUTO position.
Windshield Wiper Controls
The controls for the windshield wipers
are located on the multifunction stalk
on the left side of the steering column.The wipers band can be rotated to thefollowing positions:
(Mist):Rotate the band down to this
position to turn the wipers on for onewipe.
(Off):Rotate the band to this posi
tion to turn off the wipers.
(Delay):Rotate the band up to one
of the delay settings to activate the
Rainsense function and adjust the sensitivity levels. The wipers activate more
often as the band is rotated upward.
(Low):Rotate the band up to this
position for steady, lowspeed wipes.
(High):Rotate the band up to
this position for highspeed wipes.
(Washer):Push the paddle on top
of the multifunction lever to spray wash
er fluid on the windshield.
See Section 3 of your Owner Manual.
Sierra 2008 A 5/16/07 7:49 AM Page 16

17
Heated Windshield Washer
Fluid (if equipped)
Press the (Heated Washer Fluid)
button, located below the climate controls on the instrument panel, to sprayheated washer fluid on the windshield.This will help to clear ice, tree sap or
bugs from the windshield. A light on theswitch will flash while the washer fluid is
heated, which may take up to 40 sec
onds. The wipers will automatically turnon for four heated wash cycles or untilthe button is pressed again.
See Section 3 of your Owner Manual.
Your vehicle is equipped with an
Automatic Headlamp System, which
turns on the Daytime Running Lamps
(DRL) during the day and the headlamps and other exterior lamps at nightor when necessary.
The system uses a light sensor, located
on top of the instrument panel, to determine light conditions. For proper systemoperation, avoid placing any objects on
or near the sensor.
The exterior and interior lamp controls
are located on the instrument panel tothe left of the steering wheel.
Automatic Headlamp System
and Interior Lamps
Exterior Lamp Controls
(On/Off):
Turn the knob to this posi
tion to turn off the Automatic Headlamp
System and DRL. Turn the knob to thisposition again to turn them on.
AUTO (Automatic):This position turns
on the Automatic Headlamp System
and DRL.
(Parking Lamps):This position
turns on the parking lamps and taillamps.
(Headlamps):This position turns
on the headlamps and other exteriorlamps.
(Fog Lamps)(if equipped): Press
this button to turn the fog lamps onoroff.
Interior Lamp Controls
(Instrument Panel Brightness):
Turn this popout knob to adjust the
brightness of the instrument panel lights.
(Dome Lamp Override):Press in
this button to turn the dome lamps
off when a door is open. Press the but
ton again to have the dome lamps turn
on automatically when a door is open.
See Section 3 of your Owner Manual.
Extended Cab
The power sunroof
switch, located onthe
overhead console,includes these features:
Vent:From the closed
position, press and holdthe rear of the switch tovent the sunroof.
Sunroof (if equipped)
Sierra 2008 A 5/16/07 7:50 AM Page 17

StabiliTrak is an
advanced computercontrolledvehicle stabilityand tractionenhancementsystem thatassists with
21
PERFORMANCE & MAINTENANCE
The 6speed automatic transmission has
a Range Selection Mode feature thatenables the driver to select the range
of gears desired for the current drivingconditions, such as when driving ondownhill grades.
To use this feature, move the shift lever
to the Manual (M) position and select alower or higher driving gear using the
+ / – button on the shift lever. The display on theinstrument panelcluster will showthe current gearselection.
The transmis
sion will be limit
ed to the gear selected and lower gears.Gears higher than the gear selected willnot be available.
If current vehicle speed is too high or
too low for the requested gear, the shift
will not occur.
See Section 2 of your Owner Manual.
6Speed Automatic Transmission
Controls (if equipped)
StabiliTrak®– Stability Control
System (if equipped)
Tire Pressure Monitor
The Tire Pressure Monitor alerts you
when a significant reduction in pressure
occurs in one or more of your vehicle’s
tires by illuminating the (Low TirePressure) warning light on the instru
ment panel cluster. The low tire pressure
warning light will remain on until youcorrect the tire pressure. ACHECK TIRE
PRESSURE message will also appear
on the DIC.
Correcting the Tire Pressure
When the low tire pressure warning light
illuminates, you must fill the tire to theproper tire inflation pressure (just as youmust refuel the vehicle when the low
fuel warning light illuminates). The Tireand Loading Information label shows thecorrect inflation pressure for the tireswhen they’re cold. “Cold” means your
directional control of the vehicle in
difficult driving conditions. It turns onautomatically every time you start yourvehicle.
To limit wheelspin and help maintain
directional control, you should always
leave the system on. However, if yourvehicle becomes stuck and rocking thevehicle is required, the system should
be turned off.
To turn off the traction control part of
the system, press the (StabiliTrak)
button located below the climate con
trols on the instrument panel.
To turn off the traction control and stabil
ity enhancement systems, press andhold the button for five seconds.
When the system is turned off, the
StabiliTrak light will illuminate.
See Section 4 of your Owner Manual.
Sierra 2008 A 5/16/07 7:50 AM Page 21