Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

    See also:

    Programming Transmitters to the Vehicle
    Only keyless access transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. The vehicle can be ...

    Sedan and Wagon Model
    From the outside, turn the key toward the front or rear of the vehicle, or press or on the Remote Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation (Keyle ...

    Ultrasonic Parking Assist
    If available, the Ultrasonic Rear Parking Assist (URPA) system uses sensors on the rear bumper to assist with parking and avoiding objects while in R (Reverse). WARNING The URPA system does n ...