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.

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    Hitches
    Use the correct hitch equipment. See your dealer or a hitch dealer for assistance. . The rear bumper on the vehicle is not intended for hitches. Do not attach rental hitches or other bumper-type hi ...

    Starter Switch Check
    WARNING! When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough r ...

    Sunroof
    Sunroof On vehicles with a sunroof, the switch is located on the overhead console. The sunroof only operates when the ignition is in ON/RUN or ACC/ACCESSORY, or in Retained Accessory Power ( ...