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:

    Rear Vision Camera (RVC)
    The vehicle may have a rear vision camera system. Read this entire section before using it. The rear vision camera system is designed to help the driver when backing up by displaying a view o ...

    Starting the Vehicle with a Low Transmitter Battery
    Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See “Replace Battery In Remote Key” under Key and Lock Messages for additional information. If the trans ...

    Dome Lamps
    The dome lamp is located in the overhead console. To change the dome lamp settings, press the following: (Dome Lamp Override): Turns the lamp off, even when a door is open. (Door): The la ...