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:

    Erasing Speed Memory
    The cruise control set speed memory is erased by turning off the cruise control or the ignition. ...

    Ultrasonic Rear Parking Assist (URPA)
    For vehicles with the URPA system, it operates at speeds less than 8 km/h (5 mph), and assists the driver with parking and avoiding objects while in R (Reverse). The sensors on the rear bumper ar ...

    Magnetic Ride Controlâ„¢
    The vehicle may have Magnetic Ride Control that automatically adjusts the ride of the vehicle. The controller receives input from the system to determine the proper ride. If the controller detec ...