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:

    Vehicle Reminder Messages
    CHECK TRAILER WIRING On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message may display and a chime may sound when one of the following conditions exists: • A trailer wi ...

    Vehicle Overview
    The GMC Canyon is almost identical to the Chevrolet Colorado, sharing the same platform but adding some style and trim differences that appeal to those who want a little more flash in their midsiz ...

    Under the Hood
    The Canyon is available with a choice of three engines, and rear- and four-wheel-drive versions are available. Mechanical features include: Base 185-horsepower, 2.9-liter four-cylinder makes 190 p ...