2002 GMC YUKON XL radio antenna

2-55Volume Control: You can control the volume of the
OnStar System using either the volume knob on the
radio or using the steering wheel controls, if equipped.
Telltale Light: This light will indicate the status of
the system. A solid green light will come on when you
start the vehicle to let you know that the system is on
and is ready to make or receive calls.
If the light blinks green it means that an incoming or
outgoing call is in progress. Press the Communication
button if you notice the light blinking and you are not
on a call.
The light will be red in the event of an OnStar system
malfunction. If this occurs press the OnStar Services
button to attempt to contact an advisor. If the connection
is made, the advisor will assist you with steps to take to
make sure that the system is functioning properly. If you
cannot contact the advisor, take your vehicle to your
dealership as soon as possible for assistance.
Cellular Antenna: The cellular antenna on the outside
of your vehicle is critical to effective communications
using the OnStar system. Optimum cellular reception
can be obtained when the mast is straight up and down. OnStar Services The following services are available within OnStar
service plans. Your vehicle comes with a specific
one
- year service plan that allows use of some or all
of the following services.

Automatic Notification of Air Bag Deployment:
If an air bag deploys, a priority emergency signal is
sent automatically to the center. An advisor will
locate your vehicle's position, try to contact you
and assist you in the situation. If the center is unable
to contact you, an emergency service provider will
be contacted.

Stolen Vehicle Tracking: Call the center at
1
- 888
- 4
- ONSTAR (1
- 888
- 466
- 7827) to report your
vehicle stolen. The system can then attempt to locate
and track your vehicle and the advisor will assist the
proper authorities.

Roadside Assistance with Location: For vehicle
breakdowns, press the OnStar Services button. An
advisor will contact the appropriate help.

Remote Diagnostics: If an instrument panel
light comes on, press the OnStar Services button.
An advisor can perform a check of the engine
on
- board computer, and recommend what action
needs to be taken.

3-
3-1Section 3 Comfort Controls and Audio SystemsIn this section, you'll find out how to operate the comfort control and audio systems offered with your vehicle.
Be sure to read about the particular systems supplied with your vehicle.
3
- 2 Comfort Controls
3
- 2 Electronic Climate Control System
3
- 8 Air Conditioning
3
- 8 Heating
3
- 9 Defogging and Defrosting
3
- 9 Rear Window Defogger
3
- 10 Ventilation System
3
- 11 Audio Systems
3
- 11 Setting the Clock
3
- 12 AM
- FM Stereo with Cassette Tape
Player (Bose

) 3
- 17 Rear Seat Audio (RSA)
3
- 19 Compact Disc Changer
3
- 22 Theft
- Deterrent Feature
3
- 24 Audio Steering Wheel Controls
3
- 25 Understanding Radio Reception
3
- 25 Tips About Your Audio System
3
- 26 Care of Your Cassette Tape Player
3
- 27 Care of Your Compact Discs
3
- 27 Care of Your Compact Disc Player
3
- 27 Fixed Mast Antenna

3-27After you clean the player, press and hold the EJECT
button for five seconds to reset the CLN indicator. The
radio will display
--- to show the indicator was reset.
Cassettes are subject to wear and the sound quality
may degrade over time. Always make sure the cassette
tape is in good condition before you have your tape
player serviced.
Care of Your Compact Discs Handle discs carefully. Store them in their original cases
or other protective cases and away from direct sunlight
and dust. If the surface of a disc is soiled, dampen a
clean, soft cloth in a mild, neutral detergent solution and
clean it, wiping from the center to the edge.
Be sure never to touch the signal surface when handling
discs. Pick up discs by grasping the outer edges or the
edge of the hole and the outer edge. Care of Your Compact Disc Player The use of CD lens cleaner discs is not advised, due to
the risk of contaminating the lens of the CD optics with
lubricants internal to the CD mechanism.
Fixed Mast Antenna The fixed mast antenna can withstand most car washes
without being damaged. If the mast should ever become
slightly bent, you can straighten it out by hand. If the
mast is badly bent, as it might be by vandals, you should
replace it.
Check every once in a while to be sure the mast is still
tightened to the cowl. If tightening is required, tighten
by hand, then with a wrench one quarter turn.