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:

    Parking Assist
    If the vehicle has the Ultrasonic Rear Parking Assist (URPA) system, this display allows the system to be turned on or off. Once in this display, press the set/reset button to select between ...

    Wheel Replacement
    Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, replace i ...

    DIC Operation and Displays
    Press the DIC buttons to access the different displays. (Trip/Fuel): Press to scroll through the trip and fuel displays. See “Trip/Fuel Display Menu Items” following for more information. ...