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:

    Exit Lighting
    The headlamps, taillamps, parking lamps, back-up lamps, and license plate lamps come on at night, or in areas with limited lighting, when the key is removed from the ignition. The dome lamps ...

    Anti-theft Alarm System
    This vehicle may have an anti-theft alarm system. The security light, located in the instrument panel cluster, comes on when the system is arming. ...

    Remote Keyless Entry (RKE) System
    The Remote Keyless Entry (RKE) transmitter is used to lock and unlock the doors from up to 60m (195 ft) away from the vehicle. : Press to unlock the driver door or all doors depending on the ...