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:

    Cleaning Exterior Lamps/Lenses and Emblems
    Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...

    Windshield Wiper/Washer
    The windshield wiper lever is on the right side of the steering column. Sedan and Coupe Model shown Wagon Model shown Move the windshield wiper lever to select the wiper speed. : Use for ...

    Additional Maintenance and Care
    Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required. It is re ...