BACKING MY TRUCK DOWN A BOAT LAUNCH TO PUT A PWC IN. AS I APPLIED THE BRAKE AT THE BOTTOM OF THE RAMP, THE PEDAL WENT TO THE FLOOR, LOSING ALL BRAKES. SINCE I WAS CLOSE TO THE WATER, BY THE TIME I GOT IT INTO FORWARD, IT WAS ALREADY OVER THE EDGE OF THE RAMP INTO THE WATER. SUBMERGED UP TO THE BOTTOM OF THE ROOF. A TOTAL LOSS. *TR