TL* THE CONTACT OWNS A 2012 HYUNDAI SONATA. AFTER THE VEHICLE WAS SERVICED UNDER NHTSA CAMPAIGN NUMBER: 15V568000 (ENGINE), A BURNING ODOR WAS DETECTED IN THE VEHICLE CONTINUOUSLY. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE FAILURE WAS UNDETERMINED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.