The contact owns a 2015 Kia Optima. The contact stated upon starting and exiting the vehicle, he noticed that there was smoke coming out from underneath the hood. There was no warning light illuminated. The contact opened the hood and saw flames. The contact closed the hood and immediately went into his residence to grab fire extinguishers. Upon returning to the vehicle, the contact was unable to reopen the hood. The contact called the fire department, who extinguished the fire. A fire department report was filed. There was no injury sustained. There was no police report filed. The dealer and the manufacturer were not notified of the failure. The vehicle was not diagnosed nor repaired. The vehicle remained at the contactâs residence. The contact became aware that the VIN was included in NHTSA Campaign Number: 21V331000 (Service Brakes, Hydraulic), which he related to the failure. The failure mileage was unknown.