Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Radio(s)
Radio with CD (MP3)
: Press to turn the system on
and off. Turn to
increase or decrease the volume.
BAND: Press to choose between FM, AM, or XM™,
if equipped.
: Select radio stations.
...
Satellite Radio Antenna
The XM Satellite Radio antenna is located on the roof of the vehicle. Keep the
antenna clear of obstructions for clear radio reception.
If the vehicle has a sunroof, the performance of the XM syste ...
Other Warning Devices
If you carry reflective triangles, you can set them up
at the side of the road about 300 feet (100 m)
behind your vehicle. ...