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:

    PARK BRAKE SET
    For vehicles with the electric parking brake, this message displays when the parking brake has been applied to the set position. See the electric parking brake information under Parking Brak ...

    Remote Left in Vehicle Reminder
    This allows the Remote Left In Vehicle reminder feature to be turned on or off. If on, the horn will chirp if a remote is left in the vehicle. Press the MENU/SELECT knob when Remote Left In Vehicl ...

    Weatherstrips
    Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants  . ...