2008 GMC SIERRA CD changer

Instrument Panel Overview...............................3-4
Instrument Panel Overview
(Base/Uplevel version).................................3-4
Instrument Panel Overview
(Premium version).......................................3-6
Hazard Warning Flashers................................3-8
Other Warning Devices...................................3-8
Horn.............................................................3-8
Tilt Wheel.....................................................3-9
Turn Signal/Multifunction Lever.........................3-9
Turn and Lane-Change Signals.......................3-10
Headlamp High/Low-Beam Changer.................3-11
Flash-to-Pass...............................................3-11
Windshield Wipers........................................3-12
Rainsense™ II Wipers...................................3-12
Windshield Washer.......................................3-13
Cruise Control..............................................3-14
Exterior Lamps.............................................3-17
Headlamps on Reminder................................3-18
Daytime Running Lamps (DRL).......................3-18
Automatic Headlamp System..........................3-19
Puddle Lamps..............................................3-20
Fog Lamps..................................................3-20
Auxiliary Roof Mounted Lamp.........................3-20Instrument Panel Brightness...........................3-21
Dome Lamps...............................................3-21
Dome Lamp Override....................................3-21
Entry Lighting...............................................3-21
Exit Lighting.................................................3-21
Reading Lamps............................................3-22
Cargo Lamp.................................................3-22
Electric Power Management...........................3-22
Battery Run-Down Protection..........................3-23
Accessory Power Outlet(s).............................3-23
Ashtray(s) and Cigarette Lighter......................3-24
Climate Controls............................................3-25
Climate Control System
(With Air Conditioning)...............................3-25
Climate Control System (Heater Only)..............3-27
Dual Automatic Climate Control System...........3-28
Outlet Adjustment.........................................3-33
Warning Lights, Gages, and Indicators............3-34
Instrument Panel Cluster................................3-35
Speedometer and Odometer...........................3-36
Trip Odometer..............................................3-36
Tachometer.................................................3-36
Safety Belt Reminders...................................3-37
Section 3 Instrument Panel
3-1

Tilt Wheel
The tilt wheel lets you adjust the steering wheel before
you drive. Raise it to the highest level to give your
legs more room when exiting or entering the vehicle.
The tilt steering wheel lever is located on the lower left
side of the steering column.
To tilt the wheel, hold the steering wheel and pull the
lever. Then move the steering wheel to a comfortable
position and release the lever to lock the wheel in place.
Turn Signal/Multifunction Lever
The lever on the left side of the steering column
includes the following:
GTurn and Lane Change Signals. SeeTurn and
Lane-Change Signals on page 3-10.
53Headlamp High/Low-Beam Changer. See
Headlamp High/Low-Beam Changer on page 3-11.
Flash-to-Pass. SeeFlash-to-Pass on page 3-11.
NWindshield Wipers. SeeWindshield Wipers on
page 3-12.
LWindshield Washer. SeeWindshield Washer
on page 3-13.
For information on the exterior lamps, seeExterior
Lamps on page 3-17.
3-9

Turn Signal On Chime
If your turn signal is left on for more than 3/4 of a mile
(1.2 km), a chime will sound at each ash of the
turn signal and the message TURN SIGNAL ON will
also appear in the Driver Information Control (DIC). To
turn the chime and message off, move the turn
signal lever to the off position.
Headlamp High/Low-Beam Changer
53(Headlamp High/Low Beam Changer):To
change the headlamps from low to high beam, push the
lever toward the instrument panel. To return to
low-beam headlamps, pull the multifunction lever toward
you. Then release it.
When the high beams are
on, this indicator light on
the instrument panel
cluster will also be on.
Flash-to-Pass
This feature lets you use your high-beam headlamps to
signal a driver in front of you that you want to pass.
It works even if your headlamps are in the automatic
position.
To use it, pull the turn signal lever toward you, then
release it.
If your headlamps are in the automatic position or on
low beam, your high-beam headlamps will turn on. They
will stay on as long as you hold the lever toward you.
The high-beam indicator on the instrument panel cluster
will come on. Release the lever to return to normal
operation.
3-11

Security Light
For information regarding
this light and the vehicle’s
security system, see
Content Theft-Deterrent on
page 2-18.
Fog Lamp Light
The fog lamp light will
come on when the fog
lamps are in use.
The light will go out when the fog lamps are turned off.
SeeFog Lamps on page 3-20for more information.
Cruise Control Light
This light comes on
whenever you set the
cruise control.
The light goes out when the cruise control is turned off.
SeeCruise Control on page 3-14for more information.
Highbeam On Light
This light comes on when
the high-beam headlamps
are in use.
SeeHeadlamp High/Low-Beam Changer on page 3-11
for more information.
3-52

©¨(Seek):When listening to FM, AM, or XM™
(if equipped), press the seek arrows to go to the
previous or to the next station or channels and stay
there. This function is inactive, with some radios, if the
front seat passengers are listening to the radio.
Press and hold either seek arrow until the display
ashes, to tune to an individual station. The display
stops ashing after the buttons have not been pushed
for more than two seconds. This function is inactive, with
some radios, if the front seat passengers are listening
to the radio.
While listening to a disc, press the left seek arrow to
go back to the start of the current track or chapter
(if more than ten seconds have played). Press the right
seek arrow to go the next track or chapter on the
disc. This function is inactive, with some radios, if the
front seat passengers are listening to the disc.
While a DVD video menu is being displayed, press
either seek arrow to perform a cursor up or down on the
menu. Hold either seek arrow to perform a cursor left
or right on the menu.
PROG (Program):Press this button to go to the next
preset radio station or channel set on the main
radio. This function is inactive, with some radios, if the
front seat passengers are listening to the radio.While a CD or DVD audio disc is playing, press this
button to go to the beginning of the CD or DVD audio.
This function is inactive, with some radios, if the
front seat passengers are listening to the CD or
DVD audio.
While a disc is playing in the CD or DVD changer, press
this button to select the next disc, if multiple discs are
loaded. This function is inactive, with some radios, if the
front seat passengers are listening to the disc.
While a DVD video menu is being displayed, press the
PROG button to perform the menu function, Enter.
Theft-Deterrent Feature
THEFTLOCK®is designed to discourage theft of your
vehicle’s radio. The feature works automatically by
learning a portion of the Vehicle Identication Number
(VIN). If the radio is moved to a different vehicle, it does
not operate and LOC, LOCK, or LOCKED could
display.
With THEFTLOCK
®activated, the radio does not
operate if stolen.
3-123

Fuel (cont.)
Fuels in Foreign Countries.............................. 5-9
Gage.........................................................3-53
Gasoline Octane........................................... 5-6
Gasoline Specications.................................. 5-6
Low Warning Light.......................................3-54
Fuses
Center Instrument Panel Fuse Block.............5-125
Fuses and Circuit Breakers.........................5-123
Instrument Panel Fuse Block.......................5-124
Underhood Fuse Block...............................5-126
Windshield Wiper.......................................5-123
G
Gage
Engine Coolant Temperature.........................3-46
Fuel..........................................................3-53
Oil Pressure...............................................3-50
Speedometer..............................................3-36
Tachometer.................................................3-36
Voltmeter Gage...........................................3-43
Garage Door Opener.......................................2-68
Gasoline
Octane........................................................ 5-6
Specications............................................... 5-6
Glove Box.....................................................2-74
GM Mobility Reimbursement Program.................. 7-6
H
Hazard Warning Flashers................................... 3-8
Head Restraints..............................................1-10
Headlamp
Aiming.......................................................5-56
Headlamps....................................................5-60
Bulb Replacement.......................................5-59
Daytime Running Lamps...............................3-18
Exterior Lamps............................................3-17
Flash-to-Pass..............................................3-11
Halogen Bulbs............................................5-59
High/Low Beam Changer..............................3-11
On Reminder..............................................3-18
Pickup Box Identication and Fender
Marker Lamps.........................................5-62
Heated Seats................................................... 1-6
Heater...................................................3-25, 3-27
Heater...........................................................3-28
Highbeam On Light.........................................3-52
Highway Hypnosis...........................................4-29
Hill and Mountain Roads..................................4-30
Hood
Checking Things Under................................5-12
Release.....................................................5-13
Horn............................................................... 3-8
How to Wear Safety Belts Properly...................1-19
6

Lighting
Entry.........................................................3-21
Exit...........................................................3-21
Lights
Exterior Lamps............................................3-17
Flash-to-Pass..............................................3-11
High/Low Beam Changer..............................3-11
On Reminder..............................................3-18
Loading Your Vehicle.......................................4-36
Locking Rear Axle............................................ 4-5
Lockout Protection..........................................2-12
Locks
Delayed Locking..........................................2-10
Door..........................................................2-10
Lockout Protection.......................................2-12
Power Door................................................2-10
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-11
Loss of Control...............................................4-11
Low Fuel Warning Light...................................3-54
Luggage Carrier..............................................2-76
Lumbar
Manual Controls............................................ 1-5
Power Controls............................................. 1-5M
Maintenance Schedule
Additional Required Services........................... 6-7
At Each Fuel Fill.........................................6-11
At Least Once a Month................................6-12
At Least Once a Year..................................6-13
At the First 100, 1,000 and 6,000 Miles
(160, 1 600 and 10 000km).......................6-11
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-9
Maintenance Record....................................6-19
Maintenance Replacement Parts....................6-17
Maintenance Requirements............................. 6-2
Owner Checks and Services.........................6-11
Recommended Fluids and Lubricants.............6-15
Scheduled Maintenance................................. 6-4
Using.......................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-48
Manual Lumbar Controls.................................... 1-5
Manual Seats................................................... 1-3
Manual, Using.................................................... iii
Manual Windows............................................2-16
Memory Seat, Mirrors, and Pedals...................... 1-6
Message
DIC Warnings and Messages........................3-63
8