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:

    Replacing Safety Belt System Parts after a Crash
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    Storing the Flat Tire with a Flat Load Floor (Sedan)
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    Vehicle Speed Messages
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