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:

    Anti-theft Alarm System Messages
    SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system. The vehicle may or may not restart so you may want to take the vehicle to your dealer bef ...

    When to Check Power Steering Fluid
    It is not necessary to regularly check power steering fluid unless there is a leak suspected in the system or an unusual noise is heard. A fluid loss in this system could indicate a problem. Have the ...

    Storing an XM Channel as a Favorite
    To store a station as a favorite: 1. Tune to an XM channel. 2. Press the FAV button to display the page where the station will be stored. 3. Press and hold one of the six softkeys until a beep soun ...