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:

    High-Beam On Light
    This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer for more information. ...

    Exterior Lamp Controls
    The exterior lamp control is located toward the end of the turn signal/lane change lever. (Exterior Lamp Control): Turn the band with this symbol on it to operate the exterior lamps. The e ...

    Trip Odometer
    The trip odometer can record the number of kilometers or miles traveled for up to two trips. The trip odometer is part of the Driver Information Center (DIC); for more information see Driver ...