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 when Trailer Towing
    The vehicle needs service more often when pulling a trailer. See the Maintenance Schedule. Things that are especially important in trailer operation are automatic transmission fluid, engine ...

    Maintenance Replacement Parts
    Replacement parts identified below by name, part number, or specification can be obtained from your dealer. Part GM Part Number ACDelco Part Number Engine Air Cleaner/Filter ...

    Guidelines
    The RVC system has a guideline overlay that can help the driver align the vehicle when backing into a parking spot. To turn the guidelines on or off: 1. Shift into P (Park). 2. Press the CONF ...