Horn

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

    See also:

    Power Outlets
    The vehicle has 12-volt accessory power outlets which can be used to plug in electrical equipment, such as a cell phone or MP3 player. The power outlets are located: • On the instrument panel belo ...

    Brake System Warning Light
    With the ignition on, the brake system warning light comes on when the parking brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds when the vehicle speed is greater t ...

    Vehicle Overview
    The 2011 GMC Yukon is the middle child among GM's full-size SUVs. Based on price and equipment, the Yukon sits squarely between the Chevrolet Tahoe and Cadillac Escalade. Four-wheel drive is avail ...