Horn

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

    See also:

    Vehicle Reminder Messages
    ICE POSSIBLE DRIVE WITH CARE This message displays when the outside air temperature is cold enough to create icy road conditions. Adjust your driving accordingly. ...

    Acadia in the Market
    The Acadia Denali does what it sets out to do: Be a more luxurious three-row crossover than the standard Acadia. GMC includes the right things — dual-pane sunroof, differentiating body panels an ...

    Overview
    GMC unveiled the all-new 2007 Yukon and Yukon Denali full-size SUVs Oct. 5. They are based on GM's all-new full-size SUV family, which features distinctive styling, spacious and refined interiors, ...