BACKED OUT OF DRIVEWAY, CHANGED DIRECTIONS, THROTTLE APPLIED, SPEED OF VEHICLE INCREASED, SPEED CONTINUED TO INCREASE. THE VEHICLE HAD NO RESPONSE TO THE BRAKING SYSTEM, VEHICLE PROCEEDED THROUGH A STOP SIGN ACROSS A MAJOR 4 LANE ROAD, STROKE THE FRONT OF A BRICK BUILDING, AND CONTINUED ALONG THE SIDE OF THE BUILDING. THEN, STRIKING A PARKED VEHICLE WITH TRAILER. VEHICLE WAS TOTALED, AND HAS BEEN TRANSFERRED TO DEALERSHIP FOR VERIFICATION. *AK