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:

    Charging System Light
    The charging system light comes on briefly when the ignition is turned on, but the engine is not running, as a check to show the light is working. The light turns off when the engine is started. ...

    Removing the Flat Tire and Installing the Spare Tire
    Use the following pictures and instructions to remove the flat tire and raise the vehicle. A. Jack B. Wheel Blocks C. Jack Handle D. Jack Handle Extension E. Wheel Wrench The tools you will be ...

    Heavy-DutyTrailer Wiring Harness Package
    For vehicles equipped with heavy duty trailering, the harness connector is mounted in the bumper. The seven-wire harness contains the following trailer circuits: • Yellow: Left Stop/Turn Signal ...