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), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with GMC by dialing:

1-800-462-8583. TTY users in Canada can dial 1-800-263-3830.

    See also:

    Resetting the Power Folding Mirrors
    Reset the power folding mirrors if: • The mirrors are accidentally obstructed while folding. • They are accidentally manually folded/unfolded. • The mirrors vibrate at normal driving speeds. ...

    Navigation System
    If the vehicle has a navigation system, there is a separate navigation system manual that includes information on the radio, audio players, and navigation system. The navigation system provides detai ...

    Warning Lights, Gauges, and Indicators
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