2007 CHEVROLET SILVERADO wheel

SERVICE 4 WHEEL DRIVE
This message displays if a problem occurs with
the four-wheel-drive system. If this message
appears, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the
message on the DIC display. If the message is still
displayed or appears again when you begin
driving, the four-wheel-drive system needs service.
See your dealer.
SERVICE AIR BAG
This message displays if there is a problem with
the airbag system. Have your dealer inspect
the system for problems. SeeAirbag Readiness
Light on page 252andAirbag System on page 85
for more information.
SERVICE BATTERY CHARGING
SYSTEM
On some vehicles, this message displays if there
is a problem with the battery charging system.
Under certain conditions, the charging system light
may also turn on in the instrument panel cluster.
SeeCharging System Light on page 256.
Driving with this problem could drain the battery.Turn off all unnecessary accessories. Have the
electrical system checked as soon as possible.
See your dealer.
SERVICE BRAKE SYSTEM
This message displays along with the brake
system warning light if there is a problem with the
brake system. SeeBrake System Warning
Light on page 258. If this message appears, stop
as soon as possible and turn off the vehicle.
Restart the vehicle and check for the message on
the DIC display. If the message is still displayed
or appears again when you begin driving, the
brake system needs service as soon as possible.
See your dealer.
SERVICE BRAKES SOON
This message displays if there is a problem with
the brake system. If this message appears, stop as
soon as possible and turn off the vehicle. Restart
the vehicle and check for the message on the
DIC display. If the message is still displayed
or appears again when you begin driving, the
brake system needs service. See your dealer.
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SERVICE PARK ASSIST
If your vehicle has the Ultrasonic Rear Parking
Assist (URPA) system, this message displays
if there is a problem with the URPA system. Do
not use this system to help you park. See
Ultrasonic Rear Parking Assist (URPA) on
page 230for more information. See your dealer
for service.
SERVICE STABILITRAK
If your vehicle has StabiliTrak®and this message
displays, it means there may be a problem with the
StabiliTrak
®system. If you see this message, try to
reset the system. Stop; turn off the engine for at
least 15 seconds; then start the engine again. If this
message still comes on, it means there is a
problem. You should see your dealer for service.
The vehicle is safe to drive, however, you do not
have the benet of StabiliTrak
®, so reduce your
speed and drive accordingly.
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 thevehicle to your dealer before turning off the
engine. SeePASS-Key
®III+ Operation on
page 132for more information.
SERVICE TIRE MONITOR SYSTEM
If your vehicle has the Tire Pressure Monitor
(TPM) system, this message displays if a part on
the system is not working properly. If you drive
your vehicle while any of the four sensors
are missing or inoperable, the warning comes on
in about 20 minutes. A sensor would be missing,
for example, if you put different wheels on
your vehicle without transferring the sensors. If the
warning comes on and stays on, there may be
a problem with the TPM. See your dealer.
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
for service. SeeStabiliTrak
®System on page 384
for more information.
288

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.
See “Integrated Trailer Brake Control System”
underTowing a Trailer on page 447for more
information.
STABILITRAK OFF
If your vehicle has StabiliTrak®, this message
displays when you turn off StabiliTrak®, or when
the stability control has been automatically
disabled. To limit wheel spin and realize the full
benets of the stability enhancement system, you
should normally leave StabiliTrak
®on. However,
you should turn StabiliTrak®off if your vehicle gets
stuck in sand, mud, ice, or snow and you wantto rock your vehicle to attempt to free it, or if you
are driving in extreme off-road conditions and
require more wheel spin. SeeIf Your Vehicle is
Stuck in Sand, Mud, Ice, or Snow on page 424.To
turn the StabiliTrak
®system on or off, see
StabiliTrak®System on page 384.
There are several conditions that can cause this
message to appear.
One condition is overheating, which could
occur if StabiliTrak®activates continuously
for an extended period of time.
The message also displays if the brake
system warning light is on. SeeBrake System
Warning Light on page 258.
The message could display if the stability
system takes longer than usual to complete its
diagnostic checks due to driving conditions.
The message displays if an engine or vehicle
related problem has been detected and the
vehicle needs service. See your dealer.
The message also displays if the vehicle is
shifted into 4LO.
The message turns off as soon as the conditions
that caused the message to be displayed are
no longer present.
289

Audio System(s)
Determine which radio your vehicle has and then
read the pages following to familiarize yourself
with its features.
Driving without distraction is a necessity for a
safer driving experience. SeeDefensive Driving on
page 376. By taking a few moments to read this
manual and get familiar with your vehicle’s
audio system, you can use it with less effort, as
well as take advantage of its features. While your
vehicle is parked, set up your audio system by
presetting your favorite radio stations, setting the
tone and adjusting the speakers. Then, when
driving conditions permit, you can tune to
your favorite stations using the presets and
steering wheel controls if the vehicle has them.{CAUTION:
This system provides you with a far greater
access to audio stations and song listings.
Giving extended attention to entertainment
tasks while driving can cause a crash and
you or others can be injured or killed.
Always keep your eyes on the road and
your mind on the drive — avoid engaging
in extended searching while driving.
Keeping your mind on the drive is important for
safe driving. Here are some ways in which you can
help avoid distraction while driving.
While your vehicle is parked:
Familiarize yourself with all of its controls.
Familiarize yourself with its operation.
302

Set up your audio system by presetting your
favorite radio stations, setting the tone, and
adjusting the speakers. Then, when driving
conditions permit, you can tune to your favorite
radio stations using the presets and steering
wheel controls if the vehicle has them.
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 can interfere with the
operation of your vehicle’s engine, radio, or
other systems, and even damage them. Your
vehicle’s systems can 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 136for more information.Setting the Time
AM-FM Radio with Optional CD Player
If your vehicle has an AM/FM radio with an
optional CD player, it has a 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 clock button until the hour numbers
begin ashing on the display. Press the clock
button a second time and the minute
numbers begin ashing on the display. Press
the clock button 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 tune knob, 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 tune
knob clockwise or counterclockwise to select
the default time settings.
3. Press the clock button 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.
303

4(Information) (XM™ Satellite Radio Service,
MP3, and RDS Features):Press the information
button to display additional text information
related to the current FM-RDS or XM™ station, or
MP3 song. A choice of additional information
such as: Channel, Song, Artist, and CAT
(category) might appear. Continue pressing the
information button to highlight the desired label, or
press the pushbutton positioned under any one
of the labels and the information about that
label displays.
When information is not available, No Info
displays.
Storing a Radio Station as a Favorite
Drivers are encouraged to set up their radio station
favorites while the vehicle is parked. Tune to
your favorite stations using the presets, favorites
button, and steering wheel controls, if the
vehicle has this feature. SeeDefensive Driving on
page 376.FAV (Favorites):A maximum of 36 stations can
be programmed as favorites using the
six pushbuttons positioned below the radio station
frequency labels and by using the radio favorites
page button (FAV button). Press the FAV button to
go through up to six pages of favorites, each
having six favorite stations available per page.
Each page of favorites can contain any
combination of AM, FM, or XM™ (if equipped)
stations. To store a station as a favorite, perform
the following steps:
1. Tune to the desired radio station.
2. Press the FAV button to display the page
where you want the station stored.
3. Press and hold one of the six pushbuttons
until a beep sounds. Whenever that
pushbutton is pressed and released, the
station that was set, returns.
4. Repeat the steps for each pushbutton radio
station you want stored as a favorite.
316

Finding a Station
BAND:Press this button to switch between AM,
FM, or XM™ (if equipped). The display shows
the selection.
f(Tune):Turn this knob to select radio stations.
©SEEK¨:Press the left or right SEEK
arrow to go to the next or to the previous station
and stay there.
To scan stations, press and hold either SEEK
arrow for a few seconds until a beep sounds. The
radio goes to a station, plays for a few seconds,
then goes to the next station. Press either
SEEK arrow again to stop scanning.
The radio seeks and scans stations only with a
strong signal that are in the selected band.
4(Information) (XM™ Satellite Radio Service,
MP3, and RDS Features):Press the information
button to display additional text information related
to the current FM-RDS or XM™ station, or MP3
song. A choice of additional information such as:
Channel, Song, Artist, and CAT (category) could
appear. Continue pressing the information button to
highlight the desired label, or press the pushbutton
positioned under any one of the labels and the
information about that label is displayed.
When information is not available, No Info displays.
Storing a Radio Station as a Favorite
Drivers are encouraged to set up their radio station
favorites while the vehicle is parked. Tune to your
favorite stations using the presets, favorites button,
and steering wheel controls, if the vehicle has them.
SeeDefensive Driving on page 376.
326

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 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 LOCKED displays.
Audio Steering Wheel Controls
If your vehicle has audio
steering wheel controls,
they could differ
depending on your
vehicle’s options. Some
audio controls can be
adjusted at the steering
wheel. They include the
following:
xw(Next/Previous):Press the up or the down
arrow to go to the next or to the previous radio
station stored as a favorite.
370