2007 BUICK LUCERNE WINDSHIELD WIPER FAILURE. CONSUMER STATES THAT THE WINDSHIELD WIPERS MADE A SHARP NOISE THEN STOPPED COMPLETELY. CONSUMER COULD NOT SEE THE VEHICLE LEFT THE ROAD AND HIT A HEDGE IN SOMEONE'S YARD. *KB THE CONSUMER WAS INFORMED THE FAILURE OF THE WINDSHIELD WIPER WAS DUE TO A PLASTIC CLIP THAT SUDDENLY DISENGAGED. THE CLIP LINKED THE WIPER MOTOR WITH THE WIPER BLADES. *JB