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:

    ELECTRONIC KEY ALREADY KNOWN
    If the vehicle has the keyless access system, this message displays if you try to match a transmitter that has already been learned. See the keyless access information for Remote Keyless E ...

    Fuel
    Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline ...

    What to Use
    Refer to Recommended Fluids and Lubricants   to determine what kind of lubricant to use. ...