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 ...