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:

    Engine Coolant Temperature Gauge
    Metric English This gauge shows the engine coolant temperature. It also provides an indicator of how hard the vehicle is working. During a majority of the operation, the gauge reads 100°C (210 ...

    Exterior Lighting
    The exterior lamp control is located on the turn signal/lane change lever. : Turn to operate the exterior lamps. : Turns the exterior lamps off. AUTO: Turns the exterior lamps on and off automat ...

    License Plate Lamp
    To replace one of these bulbs: 1. Open the liftgate partway. See Liftgate on page 2‑9. Passenger Side Shown, Driver Side Similar 2. Push the left end of the lamp assembly toward the right. ...