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:

    Obstacle Detection Feature
    The Obstacle Detection Feature is part of the express-up feature and is active: - In the middle and upper portions of the window opening. - During window up movements. - In ignition OFF during a ...

    Instrument Panel Illumination Control
    (Instrument Panel Brightness): This feature controls the brightness of the instrument panel lights and is located next to the exterior lamps control. Push the knob to extend out and then it ca ...

    General Information
    Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect ...