I WAS BACKING THE VEHICLE INTO THE GARAGE. WHILE MANEUVERING BACK AND FORTH I STEP ON THE BRAKE PETAL TO SHIFT BACK TO FORWARD. THE VEHICLE STOPPED THEN THE PETAL WENT TO THE FLOOR BOARD ABRUPTLY. THE VEHICLE MOVED AND STUCK THE HOUSE. THE REAR BRAKE LINE HAD SPLIT OPEN AT THE ABS BRAKING VALVE. ALL OF THE BRAKE LINES AT THE VALVE WERE SEVERELY ROTTED. HAD TO REPLACE ALL THE STEEL LINES TO MAKE THE VEHICLE SAFE.