ignition GMC SIERRA 2008 Repair Manual

SERVICE THEFT DETERRENT SYSTEM
This message displays when there is a problem with
the theft-deterrent system. The vehicle may or may not
restart so you may want to take the vehicle to your
dealer/retailer before turning off the engine. See
PASS-Key
®III+ Operation on page 2-20for more
information.
SERVICE TIRE MONITOR SYSTEM
If your vehicle has the Tire Pressure Monitor System
(TPMS), this message displays if a part on the system is
not working properly. The tire pressure light also
ashes and then remains on during the same ignition
cycle. SeeTire Pressure Light on page 3-47. Several
conditions may cause this message to appear. SeeTire
Pressure Monitor Operation on page 5-78for more
information. If the warning comes on and stays on, there
may be a problem with the TPMS. See your
dealer/retailer.
SERVICE TRACTION CONTROL
If your vehicle has StabiliTrak®, this message displays
when there is a problem with the Traction Control
System (TCS). When this message displays, the system
will not limit wheel spin. Adjust your driving accordingly.
See your dealer/retailer for service. SeeStabiliTrak
®
System on page 4-6for more information.
SERVICE TRAILER BRAKE SYSTEM
On vehicles with the Integrated Trailer Brake Control
(ITBC) system, this message displays and a chime
sounds when there is a problem with the ITBC system.
When this message displays, power is no longer
available to the trailer brakes.
As soon as it is safe to do so, carefully pull your vehicle
over to the side of the road and turn the ignition off.
Check the wiring connection to the trailer and turn the
ignition back on. If this message still displays, either your
vehicle or the trailer needs service. See your
dealer/retailer.
See “Integrated Trailer Brake Control System” under
Towing a Trailer on page 4-55for more information.
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TURN SIGNAL ON
This message displays and a chime sounds if a turn
signal is left on for 3/4 of a mile (1.2 km). Move the turn
signal/multifunction lever to the off position.
WASHER FLUID LOW ADD FLUID
This message displays when the windshield washer
uid is low. Fill the windshield washer uid reservoir as
soon as possible. SeeEngine Compartment Overview
on page 5-14for the location of the windshield
washer uid reservoir. Also, seeWindshield Washer
Fluid on page 5-40for more information.
DIC Vehicle Customization (With
DIC Buttons)
Your vehicle may have customization capabilities that
allow you to program certain features to one preferred
setting. Customization features can only be programmed
to one setting on the vehicle and cannot be programmed
to a preferred setting for two different drivers.
All of the customization options may not be available on
your vehicle. Only the options available will be
displayed on the DIC.
The default settings for the customization features were
set when your vehicle left the factory, but may have
been changed from their default state since then.The customization preferences are automatically
recalled.
To change customization preferences, use the following
procedure.
Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle
in PARK (P).
To avoid excessive drain on the battery, it is
recommended that the headlamps are turned off.
2. Press the customization button to scroll through the
available customizable options.
Feature Settings Menu Items
The following are customization features that allow you
to program settings to the vehicle:
DISPLAY IN ENGLISH
This feature will only display if a language other than
English has been set. This feature allows you to change
the language in which the DIC messages appear to
English.
Press the customization button until the PRESS
VTO
DISPLAY IN ENGLISH screen appears on the DIC
display. Press the set/reset button once to display all
DIC messages in English.
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AUTO DOOR UNLOCK
This feature allows you to select whether or not to turn
off the automatic door unlocking feature. It also
allows you to select which doors and when the doors
will automatically unlock. SeeProgrammable Automatic
Door Locks on page 2-11for more information.
Press the customization button until AUTO DOOR
UNLOCK appears on the DIC display. Press the
set/reset button once to access the settings for this
feature. Then press the customization button to scroll
through the following settings:
OFF:None of the doors will automatically unlock.
DRIVER AT KEY OUT:Only the driver’s door will
unlock when the key is taken out of the ignition.
DRIVER IN PARK:Only the driver’s door will unlock
when the vehicle is shifted into PARK (P).
ALL AT KEY OUT:All of the doors will unlock when
the key is taken out of the ignition.
ALL IN PARK (default):All of the doors will unlock
when the vehicle is shifted into PARK (P).
NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
REMOTE DOOR LOCK
This feature allows you to select the type of feedback
you will receive when locking the vehicle with the
Remote Keyless Entry (RKE) transmitter. You will not
receive feedback when locking the vehicle with the RKE
transmitter if the doors are open. SeeRemote Keyless
Entry (RKE) System Operation on page 2-5for more
information.
Press the customization button until REMOTE DOOR
LOCK appears on the DIC display. Press the set/reset
button once to access the settings for this feature.
Then press the customization button to scroll through
the following settings:
OFF:There will be no feedback when you press the
lock button on the RKE transmitter.
LIGHTS ONLY:The exterior lamps will ash when you
press the lock button on the RKE transmitter.
HORN ONLY:The horn will sound on the second press
of the lock button on the RKE transmitter.
HORN & LIGHTS (default):The exterior lamps will
ash when you press the lock button on the RKE
transmitter, and the horn will sound when the lock button
is pressed again within ve seconds of the previous
command.
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NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
REMOTE DOOR UNLOCK
This feature allows you to select the type of feedback
you will receive when unlocking the vehicle with
the Remote Keyless Entry (RKE) transmitter. You will
not receive feedback when unlocking the vehicle
with the RKE transmitter if the doors are open. See
Remote Keyless Entry (RKE) System Operation
on page 2-5for more information.
Press the customization button until REMOTE DOOR
UNLOCK appears on the DIC display. Press the
set/reset button once to access the settings for this
feature. Then press the customization button to scroll
through the following settings:
LIGHTS OFF:The exterior lamps will not ash when
you press the unlock button on the RKE transmitter.
LIGHTS ON (default):The exterior lamps will
ash when you press the unlock button on the RKE
transmitter.
NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
DELAY DOOR LOCK
On vehicles with a crew cab, this feature allows you to
select whether or not the locking of the vehicle’s
doors will be delayed. When locking the doors with the
power door lock switch and a door is open, this
feature will delay locking the doors until ve seconds
after the last door is closed. You will hear three chimes
to signal that the delayed locking feature is in use.
The key must be out of the ignition for this feature to
work. You can temporarily override delayed locking
by pressing the power door lock switch twice or the lock
button on the RKE transmitter twice. SeeDelayed
Locking on page 2-10for more information.
Press the customization button until DELAY DOOR
LOCK appears on the DIC display. Press the set/reset
button once to access the settings for this feature.
Then press the customization button to scroll through
the following settings:
OFF:There will be no delayed locking of the
vehicle’s doors.
ON (default):The doors will not lock until ve seconds
after the last door is closed.
NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
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EASY EXIT SEAT
If your vehicle has this feature, it allows you to select
your preference for the automatic easy exit seat feature.
SeeMemory Seat, Mirrors, and Pedals on page 1-6
for more information.
Press the customization button until EASY EXIT SEAT
appears on the DIC display. Press the set/reset
button once to access the settings for this feature. Then
press the customization button to scroll through the
following settings:
OFF (default):No automatic seat exit recall will occur.
ON:The driver’s seat will move back when the key
is removed from the ignition.
The automatic easy exit seat movement will only occur
one time after the key is removed from the ignition. If the
automatic movement has already occurred, and you put
the key back in the ignition and remove it again, the seat
will stay in the original exit position, unless a memory
recall took place prior to removing the key again.
NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
MEMORY SEAT RECALL
If your vehicle has this feature, it allows you to select
your preference for the remote memory seat recall
feature. SeeMemory Seat, Mirrors, and Pedals
on page 1-6for more information.
Press the customization button until MEMORY SEAT
RECALL appears on the DIC display. Press the set/reset
button once to access the settings for this feature.
Then press the customization button to scroll through
the following settings:
OFF (default):No remote memory seat recall
will occur.
ON:The driver’s seat and, on some vehicles, the
outside mirrors will automatically move to the stored
driving position when the unlock button on the Remote
Keyless Entry (RKE) transmitter is pressed. On
some vehicles with the adjustable throttle and brake
pedal feature, the pedals will also automatically move.
See “Relearn Remote Key” underDIC Operation
and Displays (With DIC Buttons) on page 3-55orDIC
Operation and Displays (Without DIC Buttons) on
page 3-60for more information on matching transmitters
to driver ID numbers.
NO CHANGE:No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
3-78

Notice:Before adding any sound equipment to
your vehicle, such as an audio system, CD player,
CB radio, mobile telephone, or two-way radio, make
sure that it can be added by checking with your
dealer/retailer. Also, check federal rules covering
mobile radio and telephone units. If sound
equipment can be added, it is very important to do
it properly. Added sound equipment may interfere
with the operation of your vehicle’s engine, radio, or
other systems, and even damage them. Your
vehicle’s systems may interfere with the operation
of sound equipment that has been added.
Your vehicle has a feature called Retained Accessory
Power (RAP). With RAP, the audio system can be
played even after the ignition is turned off. SeeRetained
Accessory Power (RAP) on page 2-23for more
information.Setting the Clock
AM-FM Radio with Optional CD Player
If your vehicle has an AM/FM radio with an optional
CD player, it has a
H(clock) button for setting the time.
With these types of radios, the clock can be set with
either the radio turned on or off.
Set the time by following these steps:
1. Press the
Hbutton until the hour numbers begin
ashing on the display. Press the
Hbutton a
second time and the minute numbers begin ashing
on the display. Press the
Hbutton a third time
and the 12HR or 24HR time format begins ashing.
2. While either the hour or the minute numbers
are ashing, turn the
fknob, located on the upper
right side of the radio faceplate, clockwise or
counterclockwise to increase or decrease the time.
While the 12HR or 24HR time format is ashing,
turn the
fknob clockwise or counterclockwise
to select the default time settings.
3. Press the
Hbutton again until the clock display
stops ashing to set the currently displayed time;
otherwise, the ashing stops after ve seconds and
the current time displayed will be automatically set.
3-81

Radio Data System (RDS)
The audio system has a Radio Data System (RDS). The
RDS feature is available for use only on FM stations
that broadcast RDS information. This system relies upon
receiving specic information from these stations and
only works when the information is available. While the
radio is tuned to an FM-RDS station, the station
name or call letters displays. In rare cases, a radio
station could broadcast incorrect information that causes
the radio features to work improperly. If this happens,
contact the radio station.
Playing the Radio
O
(Power/Volume):Press to turn the system on
and off.
Turn clockwise or counterclockwise to increase or
decrease the volume.
4(Information) (AM-FM Radio):Press to switch the
display between the radio station frequency and
the time. While the ignition is off, press this button to
display the time.
H(Clock) (AM-FM Radio):Your radio may have a
clock button for setting the time. With this type of radio,
the clock can be set with either the radio turned on
or off. SeeSetting the Clock on page 3-81for more
information.Speed Compensated Volume (SCV):Radios with
Speed Compensated Volume (SCV) automatically
adjusts the radio volume to compensate for road and
wind noise as your vehicle’s speed changes while
driving, so that the volume level stays consistent.
To activate SCV:
1. Set the radio volume to the desired level.
2. Press the MENU button to display the radio
setup menu.
3. Press the pushbutton under the AUTO VOLUM
(automatic volume) label on the radio display.
4. Press the pushbutton under the desired Speed
Compensated Volume setting (OFF, Low, Med,
or High) to select the level of radio volume
compensation. The display times out after
approximately 10 seconds. Each higher setting
allows for more radio volume compensation at faster
vehicle speeds.
Finding a Station
BAND:Press to switch between AM, FM, or XM™
(if equipped). The selection displays.
f(Tune):Turn to select radio stations.
©SEEK¨:Press either arrow to go to the previous
or to the next station and stay there.
3-86

Insert a CD partway into the slot, label side up. The
player pulls it in and the CD should begin playing. If you
want to insert a CD with the ignition off, rst press the
Zbutton or the DISP knob.
If the ignition or radio is turned off with a CD in the
player it stays in the player. When the ignition or radio
is turned on, the CD starts to play where it stopped, if it
was the last selected audio source.
When the CD is inserted, the CD symbol displays. As
each new track starts to play, the track number displays.
The CD player can play the smaller 3 inch (8 cm)
single CDs with an adapter ring. Full-size CDs and the
smaller CDs are loaded in the same manner.
Playing a CD (In Either the DVD or
CD Slot)
Insert a CD partway into the slot, label side up. The
player pulls it in and the CD should begin playing
(loading a disc into the system, depending on media
type and format ranges from 5 to 20 seconds for a CD,
and up to 30 seconds for a DVD to begin playing).
If the ignition or radio is turned off, with a CD in
the player, it stays in the player. When the ignition or
radio is turned on, the CD starts playing where it
stopped, if it was the last selected audio source. The
CD is controlled by the buttons on the radio faceplate orby the RSA unit. SeeRear Seat Audio (RSA) on
page 3-122for more information. The DVD/CD decks,
(upper slot is the DVD deck and the lower slot is the CD
deck) of the radio are compatible with most audio
CDs, CD-R, CD-RW, and MP3s.
When a CD is inserted, the text label DVD or CD
symbol displays on the left side of the radio display.
As each new track starts to play, the track number
displays.
The CD player can play the smaller 3 inch (8 cm) single
CDs with an adapter ring. Full-size CDs and the
smaller CDs are loaded in the same manner.
Care of Your CDs
If playing a CD-R, the sound quality can be reduced due
to CD-R or CD-RW quality, the method of recording, the
quality of the music that has been recorded, and the way
the CD-R or CD-RW has been handled. Handle them
carefully. Store CD-R(s) or CD-RW(s) in their original
cases or other protective cases and away from direct
sunlight and dust. The CD or DVD player scans the
bottom surface of the disc. If the surface of a CD is
damaged, such as cracked, broken, or scratched, the CD
does not play properly or not at all. Do not touch the
bottom side of a CD while handling it; this could damage
the surface. Pick up CDs by grasping the outer edges or
the edge of the hole and the outer edge.
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Using the DVD Player
The DVD player is controlled by the buttons on the
remote control, or by the RSA system, or by the buttons
on the radio faceplate. See “Remote Control”, under
Rear Seat Entertainment (RSE) System on page 3-113
andRear Seat Audio (RSA) on page 3-122for more
information.
The DVD player is only compatible with DVDs of the
appropriate region code that is printed on the jacket of
most DVDs.
The DVD slot of the radio is compatible with most
audio CDs, CD-R, CD-RW, DVD-Video, DVD-Audio,
DVD-R/RW, DVD+R/RW media along with MP3
and WMA formats.
If an error message displays on the video screen or the
radio, see “DVD Display Error Messages” under,
Rear Seat Entertainment (RSE) System on page 3-113
and “DVD Radio Error Messages” in this section for
more information.
Playing a DVD
DVD/CD AUX (Auxiliary):Press this button to cycle
through DVD, CD, or Auxiliary when listening to
the radio. The DVD/CD text label and a message
showing track or chapter number displays when a disc
is in either slot. Press this button again and the
system automatically searches for an auxiliary inputdevice, such as a portable audio player. If a portable
audio player is not connected, “No Aux Input Device”
displays. If a disc is in both the DVD slot and the CD slot
the DVD/CD AUX button cycles between the two
sources and not indicate “No Aux Input Device”. If a
front auxiliary device is connected, the DVD/CD AUX
button cycles through all available options, such
as: DVD slot, CD slot, Front Auxiliary, and Rear Auxiliary
(if available). See “Using the Auxiliary Input Jack(s)”
later in this section, or “Audio/Video (A/V) Jacks” under,
Rear Seat Entertainment (RSE) System on page 3-113
for more information.
O(Power):Press to turn the radio on or off. Turn this
knob clockwise or counterclockwise to increase or
decrease the volume. Press and hold for more than
two seconds to turn off the entire radio and Rear Seat
Entertainment (RSE) system and to start the parental
control feature. Parental control prevents the rear
seat occupant from operating the Rear Seat Audio
(RSA) system or remote control.
A lock symbol displays next to the clock display. The
parental control feature remains on until you press and
hold this knob for more than two seconds again, or
until the driver turns the ignition off and exits the vehicle.
f(Tune):Turn to change tracks on a CD or DVD,
to manually tune a radio station, or to change clock or
date settings, while in the clock or date setting mode.
3-97

When the CD contains only playlists and compressed
audio les, but no folders, all les are located under the
root folder. The folder down and up buttons search
playlists (Px) rst and then goes to the root folder.
Order of Play
Tracks recorded to the CD-R or CD-RW are played in
the following order:
Play begins from the rst track in the rst playlist
and continues sequentially through all tracks in
each playlist. When the last track of the last playlist
has played, play continues from the rst track of
the rst playlist.
Play begins from the rst track in the rst folder and
continues sequentially through all tracks in each
folder. When the last track of the last folder
has played, play continues from the rst track of the
rst folder.
When play enters a new folder, the display does not
automatically show the new folder name unless
you have chosen the folder mode as the default display.
The new track name displays.
File System and Naming
The song name that displays is the song name that is
contained in the ID3 tag. If the song name is not present
in the ID3 tag, then the radio displays the le name
without the extension (such as .mp3) as the track name.Track names longer than 32 characters or four pages
are shortened. Parts of words on the last page of
text and the extension of the lename does not display.
Preprogrammed Playlists
Preprogrammed playlists that were created using
WinAmp™, MusicMatch™, or Real Jukebox™ software
can be accessed, however, they cannot be edited
using the radio. These playlists are treated as special
folders containing compressed audio song les.
Playing an MP3
Insert a CD-R or CD-RW partway into the slot (Single
CD Player), or press the load button and wait for
the message to insert disc (Six-Disc CD Player), label
side up. The player pulls it in, and the CD-R or CD-RW
should begin playing.
If the ignition or radio is turned off with a CD-R or
CD-RW in the player it stays in the player. When the
ignition or radio is turned on, the CD-R or CD-RW starts
to play where it stopped, if it was the last selected
audio source.
As each new track starts to play, the track number and
song title displays.
ZEJECT:Press this button to eject CD-R(s) or
CD-RW(s). To eject the CD-R or CD-RW that is currently
playing, press and release this button. A beep sounds
and Ejecting Disc displays. Once the disc is ejected,
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