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:
Control Buttons
The knobs and buttons used to
control the radio are:
FM/AM: Press to choose between
FM and AM.
TUNE/TONE: Turn to search for
stations.Press to enter the
Tone menu.
MENU/SELECT: Turn clockwi ...
Ride Control System Messages
SERVICE REAR AXLE
This message displays when there is a problem with the All-Wheel Drive (AWD)
System. See your dealer for service.
SERVICE STABILITRAK
This message displays if there is a pr ...
Selecting a Station
Seek Tuning
If the radio station is not known:
Briefly press or
.
The radio will search for the next
receivable station. If the radio does
not find a station, it switches
automatically to a ...