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:

    Engine Compartment Fuse Block (CTS-V Coupe and Sedan)
    This fuse block is on the left side of the engine compartment. Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and relays shown. Notic ...

    Engine Fan
    The vehicle has electric cooling fans. The fans spinning at low speed during most everyday driving might be heard. The fans can turn off if no cooling is required. Under heavy vehicle loading, tra ...

    Storing the Flat Tire with a Flat Load Floor (Wagon)
    1. Return all tools as they were stored in the rear storage compartment and put the compartment cover on. 2. Put the flat tire in the tire storage bag, if there is one. 3. Place the tire, ly ...