TTY Users

OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle.

The available dealer–installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn–by–Turn Navigation.

    See also:

    Driving on a Route
    When driving on a routed destination, the map screen automatically displays the next maneuver. The pop-up displays the next maneuver direction and the distance from it. When approximately 400 ...

    Rear Window Wiper/Washer
    The rear wiper controls are on the end of the windshield wiper lever. ON: Press the upper portion of the button for continuous rear window wipes. OFF: The rear wiper turns off when the butto ...

    EPB Release
    To release the EPB, place the ignition in the ON/RUN position, apply and hold the brake pedal, and push down momentarily on the EPB switch. If you attempt to release the EPB without the brake pedal ...