Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Chime Volume
This allows selection of the chime
volume level.
Press SELECT when Chime Volume
is highlighted. Turn the Menu knob
to select Normal or High. Press
SELECT to confirm the selection.
Press BAC ...
Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses
radio and sensor technology to check tire pressure
levels. TPMS sensors are mounted on each tire
and wheel assembly, except the spare tire.
The TPMS ...
Shuffle (Radio with CD)
Turn the Menu knob and set Shuffle
Songs (Random) to On or Off, then
press the BACK button to return
the main screen.
On: Plays tracks in the current
folder in random order.
Off: Plays trac ...