The contact owned a 2013 Kia Optima. The contact stated that after parking her vehicle in her driveway when the vehicle had caught on fire 2 hours later. The vehicle was unoccupied during the fire. The origin of the fire was unknown. The location of the fire was underneath the front driver’s side tire, shortly after the vehicle was engulfed in flames, and due to the proximity of the vehicle to the contact’s residence, this caused siding on the side of her house to also catch on fire. The fire department arrived and extinguished the fire. A fire department report was filed. A police department report was filed. The vehicle was destroyed. No injuries were reported. The local dealer was not contacted. The contact referenced NHTSA Campaign Number: 21V331000 (SERVICE BRAKES, HYDRAULIC) as probable cause for the failure. The manufacturer was notified of the failure. The approximate failure mileage was 116,000.