Horn

To sound the horn, press the center pad on the steering wheel.

    See also:

    Trademarks and License Agreements
    Manufactured under license under U.S. Patent #'s: 5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,487,535 & other U.S. and worldwide patents issued & pending. DTS and the Symbol are re ...

    Roadside Assistance Program
    U.S.: 1-888-881-3302 TTY Users (U.S.): 1-888-889-2438 Canada: 1-800-268-6800 Mexico: 01-800-466-0801 As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program. ...

    Storing Memory Positions
    To save into memory: 1. Adjust the driver seat, seatback recliner, both outside mirrors, and the throttle and brake pedals, if equipped. See Power Mirrors on page 2‑15 and Adjustable Throttle ...