Horn

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

    See also:

    Certification/Tire Label
    Certification/Tire Label A vehicle specific Certification/ Tire label is found on the rear edge of the driver door. The label shows the size of your vehicle's original tires and the inflation press ...

    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. ...

    Manual Lumbar
    Manual Lumbar If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward. ...