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:

    Using the Navigation System
    This section presents basic information needed to operate the navigation system. Use the buttons located on the navigation system along with the available touch-sensitive screen buttons on the navi ...

    How to Reset the Engine Oil Life System
    Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change. To reset the system: 1. Using the DIC MENU button and thumbwheel on the turn signal ...

    USB Port
    The USB connector uses the USB standards, 1.1 and 2.0. USB Supported Devices - USB Flash Drives - Portable USB Hard Drives - Fifth generation or later iPods* - First, Second, or Third generatio ...