Horn

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

    See also:

    Yukon Denali in the Market
    If you have a boat, trailer or anything that needs to be towed, the GMC Yukon Denali is a great way to travel. It's even better if you have a family. Yes, the country is in a panic over gas prices ...

    Clearing the System
    Unless information is deleted out of the in-vehicle Bluetooth system, it will be retained indefinitely. This includes all saved name tags in the phone book and phone pairing information. For informati ...

    Automatic Operation
    AUTO (Automatic): When automatic operation is active, the system controls the inside temperature, the air delivery, and the fan speed. Use the steps below to place the entire system in automatic mode ...