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:

    Power Door Locks
    (Unlock): Press to unlock the doors. (Lock): Press to lock the doors. See “Power Door Locks” in Vehicle Personalization . ...

    Playing from an iPhone®
    This feature supports the following iPhone model: • iPhone (3G – 3GS) To use the iPhone, follow the same instructions as stated earlier for using an iPod. ...

    Service All-Wheel Drive Light
    This light should come on briefly when you turn on the ignition, as a check to show you it is working. The service all-wheel drive light comes on to indicate that there may be a problem with ...