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:

    Maintenance
    Passenger Compartment Air Filter The filter removes dust, pollen, and other airborne irritants from outside air that is pulled into the vehicle. The filter should be replaced as part of routine ...

    Unlock Feedback (Lights)
    When on, the exterior lamps will flash when unlocking the vehicle with the RKE transmitter. Press the MENU/SELECT knob when Unlock Feedback (Lights) is highlighted. Turn the knob to select Flash ...

    Lumbar Adjustment
    Power Lumbar If available, press and hold the front or rear of the control to increase or decrease lumbar support. Release the control when the seatback reaches the desired level of lumbar su ...