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:
Wheel Alignment
Wheel alignment is critical for ensuring that the tires deliver optimal wear and performance.
• Signs that the alignment may need to be adjusted include pulling, improper vehicle handling, or unusu ...
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle detects a tamper condition. ...
Dome Lamps
There are front and rear dome lamps.
The dome lamp controls are located in the overhead console. To change the settings,
press the following:
(Dome Lamp Override): Turns the
lamps off, even whe ...