TL* THE CONTACT OWNED A 2014 KIA FORTE. WHILE THE CONTACT'S VEHICLE WAS STOPPED, ANOTHER VEHICLE REAR ENDED THE CONTACT'S VEHICLE AT AN UNKNOWN SPEED. THE AIR BAGS DID NOT DEPLOY. THE CONTACT STATED THAT THE BACK OF THE FRONT DRIVER'S SEAT COLLAPSED. THERE WERE NO WARNING INDICATORS ILLUMINATED. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED INJURIES THAT REQUIRED MEDICAL ATTENTION. THE CONTACT'S VEHICLE WAS TOTALED AND WAS TOWED TO A TOW YARD. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS APPROXIMATELY 80,000.