TTY Users

OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:

    Horn
    Pressa on the steering wheel pad to sound the horn. ...

    Instrument Panel
    A. Air Vents on page 8‑5. B. Turn and Lane&-Change Lever. See Turn and Lane-Change Signals on page 6‑3. Exterior Lamp Controls on page 6‑1. Fog Lamps on page 6‑4. C ...

    What to Use
    When windshield washer fluid needs to be added, be sure to read the manufacturer's instructions before use. Use a fluid that has sufficient protection against freezing in an area where the temperature ...