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 You Cannot See the HUD Image When the Ignition Is On
    • Is anything covering the HUD lens? • Is the HUD dimmer setting bright enough? • Is the HUD image adjusted to the proper height? • Are you wearing polarized sunglasses? • Still no HUD i ...

    Using Voice Recognition
    For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. To use voice recognition, press the ...

    Heated and Ventilated Seats
    Heated and Cooled Seat Buttons Shown, Heated Seat Buttons Similar If available, the buttons are on the front doors. : If available, press to cool the seat. : Press to heat the seatback only ...