Horn

Press near or on the horn symbols on your steering wheel pad to sound the horn.

    See also:

    Windshield Washer
    WARNING: In freezing weather, do not use your washer until the windshield is warmed. Otherwise the washer fluid can form ice on the windshield, blocking your vision. (Washer Fluid): Press and ...

    Cruising, Turning & Stopping
    Ride comfort is still king at Buick, and it's a formula GM shouldn't change. The LaCrosse leaves manhole covers and steel plates behind with the sort of measured wump that you'll notice but won't ...

    Infotainment System Overview
    The infotainment system is controlled by using the buttons on the faceplate and the touch screen. See “Infotainment Control Buttons” in this section for more information. A. VOL/ (Volum ...