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:

    Three-Way Calling
    Three-Way Calling must be supported on the cell phone and enabled by the wireless service carrier to work. 1. While on a call press . 2. Say “Three-way call.” 3. Use the dial or call command ...

    Symbols
    The vehicle has components and labels that use symbols instead of text. Symbols are shown along with the text describing the operation or information relating to a specific component, contro ...

    Manual Operation
    (Power): Press to turn the climate control system on or off. When the climate control system is turned off the air inlet defaults to outside air. (Fan Control): Press the buttons to increa ...