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:

    Additional Maintenance and Care
    Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required. It is ...

    Engine Coolant
    The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first. The fo ...

    Control Buttons
    The buttons used to control the radio are: RADIO/BAND: Press to turn the radio on and choose between AM, FM, and XM™, if equipped. MENU/SELECT: Press and turn to navigate the available menus. ...