TTY Users

OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:

    Audio Output
    Only one audio source can be heard through the speakers at one time. An audio source is defined as DVD slot, CD slot, XM, FM-AM, front auxiliary jack, USB port, or rear auxiliary jack. Press the O b ...

    Cruise Control Light
    The cruise control light is white whenever the cruise control is set, and turns green when the cruise control is active. The light turns off when the cruise control is turned off. See Cruise Cont ...

    Braking in Emergencies
    ABS allows the driver to steer and brake at the same time. In many emergencies, steering can help more than even the very best braking. ...