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:

    Torque Lock
    If you are parking on a hill and you do not shift your transmission into PARK (P) properly, the weight of the vehicle may put too much force on the parking pawl in the transmission. You may find it ...

    Weight of the Trailer Tongue
    The tongue load (A) of any trailer is an important weight to measure because it affects the total or gross weight of your vehicle. The Gross Vehicle Weight (GVW) includes the curb weight of the ve ...

    Trip Information Button
    (Trip Information): Press the trip information button to scroll through the ODOMETER, TRIP A, TRIP B, TIRE PRESSURES, and TIMER. Odometer: Press the trip information button until ODOMETER ap ...