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:

    Feature Settings Menu Items
    The following are customization features that allow you to program settings to the vehicle: DISPLAY IN ENGLISH This feature will only display if a language other than English has been set. This ...

    Special Application Services
    - Vehicles with manual transmissions: Every two years drain, flush, and fill clutch hydraulic system. - Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3, ...

    Comfort and Convenience
    Select the Comfort and Convenience menu and the following will be displayed: - Easy Exit Driver Seat - Chime Volume - Reverse Tilt Mirror - Auto Wipe in Reverse Gear ...