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:

    Remote Vehicle Start
    With this feature the engine can be started from outside of the vehicle. ...

    Battery Run-Down Protection
    This feature helps prevent the battery from being drained, if the interior courtesy lamps, reading/map lamps, visor vanity lamps or trunk lamp are accidentally left on. If any of these lamps are ...

    Traction Control System (TCS)
    The traction control system limits wheel spin. The system turns on automatically every time the vehicle is started. • To turn off traction control, press and release in front of the shift l ...