2008 GMC SIERRA display

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

the rear window.
Press and hold thefront of the switchto close the rear
window.
See Section 1 of your
Owner Manual.
Getting to Know Your Sierra18
Open:From the vent position, press and
hold the rear of the switch to open thesunroof.
Close:Press and hold the front of the
switch to close the sunroof.
Crew Cab
The power
sunroof switches, located onthe overheadconsole,include these features:
Vent:From the closed position, press
the rear of the passengerside switch tovent the sunroof.
To close the sunroof, press and hold the
front of the passengerside switch.
ManualOpen/ManualClose:To partial
ly open the sunroof, press and hold therear of the driverside switch until thesunroof reaches the desired position.Press and hold the front of the driverside switch to close it.
ExpressOpen/ExpressClose:To
expressopen the sunroof, fully press
and release the rear of the driversideswitch. Fully press and release the frontof the driverside switch to expressclose the sunroof. Press the switchagain to stop it.
See Section 2 of your Owner Manual.
Power Sliding Rear Window
(if equipped)
The power sliding rear window switch is
located on the overhead console. Pressand hold the rear of the switch to open
This feature uses ultrasonic sensors
on the rear bumpers to help you avoidcolliding with objects when parking thevehicle. It operates only at speeds lessthan 5 mph.
The rear parking assist display is
located near the rear window on thepassenger side. The lights on the
display provide
distance information. Lowtonedbeeps play out ofthe speakers (forobjects near therear bumper).
To turn off the
system, press the (Rear Parking
Assist) disable button, located below the
climate controls on the instrument panel.The indicator light will illuminate when
the system is off.
See Section 3 of your Owner Manual.
Ultrasonic Rear Parking Assist
(if equipped)
Note: The Ultrasonic Rear Parking
Assist (URPA) system will not activate
if you have a trailer hitch and trailerattached to your vehicle, or a bicycle orother object was hanging out of your
vehicle, when you last turned off thevehicle. Removing the attached orhanging objects and driving the vehicleforward above 15 mph will restore the
URPA system to normal operation.
Sierra 2008 A 5/16/07 7:50 AM Page 18

19
Universal Home Remote
(if equipped)
Automatic Dimming
The automatic dimming feature is turned
on each time the vehicle is started. To
turn the feature off or back on, press
and hold the (On/Off) button forapproximately six seconds.
Automatic Dimming Rearview
Mirror with OnStar®, Compass
and Temperature Display
(if equipped)
The following power foldaway mirror
controls are located on the driver’s door:
(Mirror Selector):Press the left side
(A) of this switch to select the driver’sside mirror or the right side (B) of thisswitch to select the passenger’s side
mirror.
(Mirror Adjustment):Press the
fourway control pad to adjust the selected mirror.
(Foldaway Mirrors)(if equipped):
Press the right side (C) of this switch tofold the mirrors, and press the left side(D) of this switch to unfold the mirrors.
See Section 2 of your Owner Manual.
Power Foldaway Mirrors
(if equipped)
A
D
B
C
The Universal Home Remote is a com
bined universal transmitter and receiverthat can activate up to three devices,such as garage door openers, entrydoor locks, gates and security systems.
It’s recommended that you read the
instructions in your Owner Manual completely before attempting to program anyof the three channels on the Universal
Home Remote. The engine should be
turned off when programming the
remote.
See Section 2 of your Owner Manual.
Compass and Temperature Display
Operation
To turn the compass and temperature
display on or off, briefly press the On/Offbutton.
To adjust for compass variance when
traveling on a longdistance trip or tocalibrate the compass, refer to yourOwner Manual.
See Section 2 of your Owner Manual.
Note:Do not use the Universal Home
Remote with any garage door openerthat does not have the “stop and
reverse” feature or any opener manu
factured before April 1, 1982.
Sierra 2008 A 5/16/07 7:50 AM Page 19

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

apply the trailer brakes. ITBC system
information is displayed on the Driver
Information Center.
See Section 4 of your Owner Manual
Getting to Know Your Sierra22
vehicle has been sitting for at least three
hours or driven no more than one mile.
You can temporarily clear the DIC
message by acknowledging it with
your DIC controls. However, at the nextvehicle startup, the DIC message willreappear if the tire pressure has notbeen corrected.
During cooler conditions, the low tire
pressure warning light may appear whenthe vehicle is first started and then turn
off as you start to drive the vehicle. Thiscould be an early indicator that your tirepressures are getting low and need tobe inflated to the proper pressure.
See Section 5 of your Owner Manual.
Note:The Tire Pressure Monitor can
alert you about low tire pressure, but itdoesn’t replace normal monthly tiremaintenance.
Integrated Trailer Brake Control
System (if equipped)
The control
panel for theIntegratedTrailer Brake
Control (ITBC)system islocated on theinstrumentpanel to theleft of the steering wheel.
The control panel allows you to adjust
the amount of output available to theelectric trailer brakes and to manuallyIf the Tighten Gas Cap message is
displayed on the Driver InformationCenter (DIC), check that your fuel cap
is properly installed. If the cap is notsecurely fastened, turn it clockwise untila clicking sound is heard, indicating that
it is properly installed. The DIC messagewill turn off after a few driving trips with
the cap properly installed.
See Sections 3 and 5 of your Owner Manual.
Tighten Gas Cap Message
Note:If the brakes are manually
applied, the brake lights do not turn on.
If your vehicle has a yellow gas cap, it
was engineered as a FlexFuel vehiclecapable of running on gasoline or E85fuel. E85 is a blend of 85% ethanol and15% gasoline. E85 is a highoctane,renewable fuel made primarily from corn
(see livegreengoyellow.com).
Your FlexFuel vehicle automatically
detects the current fuel mixture in thefuel tank and adjusts engine settings
accordingly. You can fill up with gasolineor E85, regardless of which fuel isalready in the tank.
FlexFuel (E85) – Yellow Gas Cap
(if equipped)
Sierra 2008 A 5/16/07 7:50 AM Page 22

E85 is not yet available at all gas sta
tions. E85 holds less energy per gallonthan gasoline, so drivers will experiencelower miles per gallon and cruisingrange when running on E85.
See Section 5 of your Owner Manual.
23
Note: If your vehicle does not have the
yellow gas cap, do not use E85.
The Oil Life System calculates engine oil
life based on vehicle use and displays
CHANGE ENGINE OIL SOON on theDriver Information Center (DIC) when it’s
necessary to change your engine oil and
filter. The Oil Life System should bereset to 100% only following an oilchange.
To reset the Oil Life System:
1.Turn on the ignition.
2. Press the (Vehicle Information)
button until the DIC displays OILLIFE
REMAINING.
3.Press and hold the (Set/Reset)
button until 100% is displayed.
4. Turn off the ignition.
See Section 5 of your Owner Manual.
Resetting the Engine Oil Life
System
OWNER INFORMATION
Sierra Accessories
A variety of GM accessories, such as
running boards, ashtray and lighter
package, roof rack rails, and bed extenders, have been designed exclusivelyfor your Sierra to enhance its style and
functionality.
Accessories also are available for use
with the cargo management system,including an overhead rack, sliding
metal tool box, sliding metal bed divider,and sliding metal side storage boxes.
Visit www.gmc.com, or see your GMC
dealer for information about the avail
ability and installation of select Sierraaccessories.
Sierra 2008 A 5/16/07 7:50 AM Page 23