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:

    StabiliTrak® System
    The StabiliTrak system assists with directional control of the vehicle in difficult driving conditions. The system turns on automatically every time the vehicle is started. ► To turn off both t ...

    Trunk Release
    In addition to the trunk release button on the RKE transmitter, there is a remote release button located on the instrument panel. See Trunk. ...

    Playing a CD
    A disc must be loaded to select the source. When a disc is loaded, the disc icon displays. There are two ways to play a CD: • Insert the disc and playback starts automatically. • Press C ...