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:

    Steering Wheel Adjustment
    To adjust the steering wheel: 1. Pull the lever (A) down. 2. Move the steering wheel up or down. 3. Pull or push the steering wheel closer or away from you. 4. Push the lever (A) up to lock the ...

    Top Tether Anchor
    Top Tether Anchor A top tether (A, C) anchors the top of the child restraint to the vehicle. A top tether anchor is built into the vehicle. The top tether attachment (B) on the child restraint con ...

    Maintenance Replacement Parts
    Replacement parts identified below by name, part number, or specification can be obtained from your dealer. If your vehicle has a diesel engine, see the Duramax diesel supplement for more informa ...