Flash-to-Pass

To flash the high beams, pull the turn signal/lane change lever all the way toward you. Then release it.

    See also:

    Overheated Engine Protection Operating Mode
    If an overheated engine condition exists and the message ENGINE OVERHEATED STOP ENGINE is displayed, an overheat protection mode which alternates firing groups of cylinders helps prevent engine ...

    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 ...

    Call Waiting
    Call waiting must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. Accepting a Call Turn the TUNE/MENU knob to “Answer” and press TUNE/MENU to accept th ...