Flash-to-Pass

To flash the high beams, pull the turn signal/lane change lever toward you, and release.

    See also:

    Transferring Service
    Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

    ENGINE OVERHEATED — STOP ENGINE
    This message displays and a continuous chime sounds if the engine cooling system reaches unsafe temperatures for operation. Stop and turn off the vehicle as soon as it is safe to do so to avo ...

    Jump Starting
    For more information about the vehicle battery, see Battery . If the battery has run down, try to use another vehicle and some jumper cables to start your vehicle. Be sure to use the following step ...