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:

    Dinghy Towing
    Front-wheel—drive and all-wheel-drive vehicles may be dinghy towed from the front. These vehicles can also be towed by placing them on a platform trailer with all four wheels off of the ground. F ...

    Window Lockout
    (Window Lockout): This feature prevents the rear passenger windows from operating, except from the driver position. Press to activate the rear window lockout switch. The LED light comes ...

    Engine Coolant Temperature Gauge
    Metric English This gauge shows the engine coolant temperature. If the engine coolant overheats, the engine coolant temperature warning light comes on. See Engine Coolant Temperature W ...