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:

    Heated Rear Seats
    WARNING If you cannot feel temperature change or pain to the skin, the seat heater may cause burns even at low temperatures. See the Warning under Heated and Ventilated Front Seats. If avai ...

    Different Size Tires and Wheels
    If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and ...

    Tire Messages
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