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:

    Cooling System
    When you decide it is safe to lift the hood, here is what you will see: A. Coolant Recovery Tank B. Radiator Pressure Cap C. Engine Fan A. Coolant Recovery Tank B. Radiator Pressure Cap C. ...

    Touch Screen Buttons
    Touch screen buttons are on the screen and highlighted when a feature is available. Some screen buttons highlight when active and gray out when inactive. ...

    Automatic Operation
    The system automatically controls the fan speed, air delivery, air conditioning, and recirculation in order to heat or cool the vehicle to the desired temperature. When the AUTO indicator lig ...