TL* THE CONTACT OWNS A 2015 TOYOTA VENZA. WHILE THE CONTACT'S VEHICLE WAS STOPPED, IT WAS REAR ENDED BY ANOTHER VEHICLE DRIVING APPROXIMATELY 55 MPH. DUE TO THE IMPACT, THE DRIVER'S SEAT MOVED FORWARD AND THEN BACKWARDS INTO THE REAR SEATS. THE AIR BAGS DID NOT DEPLOY. THE CONTACT SUSTAINED MINOR BACK INJURIES THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A LOCAL BODY SHOP, BUT WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT MADE AWARE OF THE FAILURE. THE MANUFACTURER WAS NOTIFIED AND SENT A REPRESENTATIVE TO INSPECT THE VEHICLE. THE FIELD INSPECTOR STATED THAT THE DRIVER'S SEAT WAS STILL OPERATING PROPERLY. THE FAILURE MILEAGE WAS 30,000.