TL* THE CONTACT OWNS A 2013 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 25 MPH ON A ROADWAY, THE BRAKE PEDAL WAS APPLIED AND MADE AN ABNORMAL NOISE. ANOTHER VEHICLE CRASHED INTO THE FRONT PASSENGER SIDE OF THE CONTACT'S VEHICLE WHILE THE CONTACT WAS MAKING A TURN. WHEN THE BRAKE PEDAL WAS APPLIED, THE VEHICLE SURGED FORWARD AT A HIGH RATE OF SPEED. THE FRONT AND REAR DRIVER SIDE AND THE REAR PASSENGER SIDE CURTAIN AIR BAGS DID NOT DEPLOY. THE FRONT AND REAR PASSENGER SIDE AIR BAGS DEPLOYED. THE VEHICLE WAS TOWED TO A YARD AND THEN TOWED TO A REPAIR SHOP FOR FURTHER INSPECTION BY THE INSURANCE COMPANY. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT WAS WAITING TO DETERMINE IF AN INVESTIGATOR WOULD BE SENT. A POLICE REPORT WAS FILED. THE DRIVER SUSTAINED A HEAD INJURY THAT REQUIRED MEDICAL TREATMENT AND WAS HAVING DIFFICULTY WITH VISIBILITY DUE TO THE IMPACT OF THE CRASH AND NO AIR BAG DEPLOYMENT. THE APPROXIMATE FAILURE MILEAGE WAS 64,000.