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:
Retained Accessory Power (RAP)
The following vehicle accessories can be used for up to 10 minutes after the
engine is turned off:
Audio System
Power Windows
OnStar System (if equipped)
Sunroof (if equipped)
These fea ...
Vehicle Reminder Messages
ICE POSSIBLE DRIVE WITH CARE
This message displays when ice conditions are possible. ...
Vehicle Customization
Some vehicle features can be programmed by using the DIC buttons next to the
steering wheel. These features include:
Language
Door Lock and Unlock Settings
RKE Lock and Unlock Feedback
Lig ...