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:

    CD/DVD
    To select tracks on a CD/DVD: Press and release or to go to the next or previous track. ...

    Using the “Digit Dial” Command
    The digit dial command allows a phone number to be dialed by entering the digits one at a time. After each digit is entered, the system repeats back the digit it heard followed by a tone. If an unwa ...

    Portable Audio Devices
    This vehicle may have an auxiliary input located on the radio faceplate and a USB port located in the center console or on the instrument panel. External devices such as an iPod®, laptop computer, ...