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:

    Services Provided
    • Emergency Fuel Delivery: Delivery of enough fuel for the vehicle to get to the nearest service station. • Lock-Out Service: Service to unlock the vehicle if you are locked out. A remote unlock ...

    If the HUD Image Is Not Clear
    • Is the HUD image too bright? • Are the windshield and HUD lens clean? If the HUD image is not correct, contact your dealer. Keep in mind that the windshield is part of the HUD system. ...

    Curve Tips
    • Take curves at a reasonable speed. • Reduce speed before entering a curve. • Maintain a reasonable steady speed through the curve. • Wait until the vehicle is out of the curve before acce ...