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:

    All-Wheel Drive
    If your vehicle is equipped with all-wheel-drive, this is an additional system that needs lubrication. Transfer Case When to Check Lubricant It is not necessary to regularly check the transfe ...

    Battery
    If the vehicle is a hybrid, see the hybrid supplement for more information. Refer to the replacement number on the original battery label when a new battery is needed. See Engine Compartment Overvi ...

    Programming the Universal Remote System
    For questions or help programming the Universal Remote system, call 1-800-355-3515 or go to www.homelink.com. Programming a garage door opener involves time-sensitive actions, so read the entire ...