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:

    Hoses
    Hoses transport fluids and should be regularly inspected to ensure that there are no cracks or leaks. With a multi-point inspection, your dealer can inspect the hoses and advise if replacemen ...

    Engine Heater
    The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coo ...

    Shuffle (Radio with CD)
    Turn the Menu knob and set Shuffle Songs (Random) to On or Off, then press the BACK button to return the main screen. On: Plays tracks in the current folder in random order. Off: Plays trac ...