CONSUMER WAS DRIVING, PULLING A 24FT PONTOON BOAT, TRAVELING 20MPH ON WET PAVEMENT, HIT BRAKES AND THE TRUCK STARTED GOING FASTER, 5-6 TIMES. HIT BRAKES, WENT DOWN HILL, RIGHT SIDE OF ROAD INTO DITCH, TRUCK TURNED OVER TWICE. TOTALLED TRUCK AND BOAT. POLICE ARRIVED TO SCENE, TURNED THE KEY AND TRUCK ROARED. ACCELECERATOR WAS STUCK. DEALER WAS NOT CONTACTED YET. MANUFACTURER WILL SENT INVESTIGATION TEAM, CANNOT DUPLICATE THE PROBLEM. *AK