TL* THE CONTACT OWNS A 2012 KIA OPTIMA. WHILE DRIVING 55 MPH, THE ENGINE SHUT OFF AND THE ENGINE CAUGHT FIRE. THE FIRE EXTINGUISHED ON ITS OWN. THERE WERE NO INJURIES. THE CONTACT STATED THAT THE VEHICLE EXHIBITED THE SAME SYMPTOMS AS LISTED IN NHTSA CAMPAIGN NUMBER: 17V224000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS NOT TOWED AND A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS NOT TAKEN TO A DEALER TO BE DIAGNOSED OR REPAIRED. IT WAS UNKNOWN IF THE VEHICLE WAS DESTROYED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND OPENED INVESTIGATION NUMBER: DP18003. THE FAILURE MILEAGE WAS APPROXIMATELY 92,000.