Ending a Call

Turn the Menu knob to select Hang Up, then press SELECT.

    See also:

    Gasoline Specifications
    At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentad ...

    ENGINE OIL LOW — ADD OIL
    This message displays when the engine oil level is too low. Check the oil level. See Engine Oil. ...

    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 ...