The contact owned a 2018 Kia Sorento. The contact received notification of an unknown NHTSA Campaign Number regarding the Trailer Hitches however, the contact stated that while the vehicle was unoccupied in a parked position, he noticed that the rear end of the vehicle inadvertently caught fire. The contact then stated that the fire started to spread igniting the whole vehicle. As a result, the side of the contact house caught fire. No injuries were sustained. No medical attention was required. The fire department was notified, and the fire was extinguished. A fire report was filed. The vehicle was not diagnosed or repaired. The origin of the fire had yet to be determined. The vehicle was deemed a total loss by the insurance company. The dealer was not notified. The manufacturer was notified of the failure and a case was opened but no further assistance was provided. The failure mileage was approximately 87,000.