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:

    Care of the CD and DVD Player
    Do not add any label to a disc. It could get caught in the CD or DVD player. If a disc is recorded on a personal computer and a description label is needed, try labeling the top of the recorded disc ...

    Trip Odometer Reset Stem Menu Items (with DIC Buttons)
    Use the trip odometer reset stem to view the odometer and trip odometer. The Language selection and Engine Hours display can also be accessed with the trip odometer reset stem. ...

    Cooling System
    If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information. The cooling system allows the engine to maintain the correct working temperature. 5.3 L En ...