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:

    Entry/Exit Recall
    If the vehicle has this feature, it allows you to select your preferred automatic recall of stored memory and exit positions. See Memory Seats for more information. Press the customization ...

    Parade Dimming
    This feature does not let the instrument panel display screens dim during daylight hours while the ignition is in the ACC/ACCESSORY or ON/RUN position and the parking lamps or headlamps are ...

    Anti-theft Alarm System Messages
    SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system programmed in the key. A fault has been detected in the system which means that t ...