CONTACT OWNS A 2005 LEXUS ES330. THE CONTACT WAS DRIVING APPROXIMATELY 10 TO 15 MPH TWO BLOCKS AWAY FROM HOME. WHILE APPROACHING AND PREPARING TO STOP AT A STOP SIGN, NOTICED THE INABILITY OF THE BRAKE SYSTEM WHEN APPLIED PRESSURE TO THE BRAKE PADDLE, VEHICLE WOULD NOT STOP. AT THIS POINT, VEHICLE BEGAN TO ACCELERATE UNINTENDED (WITHOUT INPUT ON ACCELERATOR), CAUSING TO RAPIDLY SURGE AND LAUNCH STRAIGHT AHEAD UNCONTROLLABLE AT A HIGH SPEED OF APPROXIMATELY 55 TO 60 MPH, WHICH RESULTED THE CONTACT TO CRASH THOUGH A CUL-DE-SAC BLOCK (BRICK) WALL, BRICKS EXPLODED AND LANDED ON TOP OF ANOTHER PARTY?S PARKED VEHICLE, CAUSING DAMAGE TO FENDER. AIRBAG WAS DEPLOYED. CONTACT WAS TAKEN VIA AMBULANCE TO LOCAL HOSPITAL FOR EXAMINATION OF INJURIES, RELEASED SAME DAY. A POLICE REPORT WAS FILED ON THE INCIDENT. FOR VEHICLE WAS TOWED TO A STORAGE FACILITY. INSURANCE COMPANY DETERMINED VEHICLE TO BE TOTALED DUE TO MAJOR BODY DAMAGES. THE FAILURE MILEAGE WAS 78,557. *TR