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:

    Overview (Radio with CD)
    A. VOL/ • Turns the system on or off and adjusts the volume. B. FAV • Opens the favorites list. C. Buttons 1 to 6 • Saves and selects favorite stations. D. INFO • Radio: Shows av ...

    How to Add Coolant to the CoolantRecovery Tank
    If you have not found a problem yet, but the coolant level is not at the FULL COLD mark, add a 50/50 mixture of clean, drinkable water and DEX-COOL® engine coolant at the coolant recovery tank. ...

    Hazard Warning Flashers
    Hazard Warning Flashers Hazard Warning Flasher: Press this button to make the front and rear turn signal lamps flash on and off. Press again to turn the flashers off. The hazard warning fl ...