The contact owned a 2015 Kia Optima. The contact stated that while stationary with the engine on, the check engine warning light illuminated. After pulling into a parking lot, the vehicle stalled and was unable to be restarted. With the assistance of a nearby police officer, the contact placed the vehicle into neutral and backed into a parking spot. While waiting for her boyfriend to arrive at the scene, she noticed that dark grayish smoke was coming from the engine. The contact and her daughter immediately exited the vehicle as another police officer showed up at the scene. The officer attempted to extinguish the fire with an extinguisher but failed to do so. The fire department arrived at the scene and was able to extinguish the fire. The contact was uncertain if a fire or police report was filed. No injuries were reported. The vehicle was towed to a tow yard where it remained. Neither the dealer nor the manufacturer was notified of the failure. Upon speaking with her insurance adjuster, the contact was informed that the vehicle was included in NHTSA Campaign Number: 21V331000 (Service Brakes, Hydraulic) however, the contact never received the notification letter about the recall. The vehicle was destroyed. The failure mileage was approximately 119,000.