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:

    Units
    Select to display English or metric units of measure. Press the set/reset button to select when units is displayed. ...

    Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
    To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Cadillac has TTY equipment available at its Customer Assistance Center. Any TTY user can c ...

    DVD Display Error Messages
    The DVD display error message depends on which radio the vehicle has. The video screen may display one of the following: Disc Load/Eject Error or Mechanical Error: There are disc load or eject pr ...