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:

    If a Tire Goes Flat
    It is unusual for a tire to blow out while driving, especially if the tires are maintained properly. See Tires . If air goes out of a tire, it is much more likely to leak out slowly. But if there is ...

    Side Bolster
    To adjust the side bolster support, if equipped: - Press the top or bottom of the control (A) to increase or decrease support in the seat cushion bolsters. - Press the top or bottom of the ...

    Tips and Troubleshooting Chart
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