The contact owned a 2013 Kia Optima. The contact's son was driving at 35 MPH when smoke was emitting from under the hood. The contact's son pulled over to the side of the road and immediately exited the vehicle. The contact's son opened the hood, and smoke was emitting from the engine. No warning lights were illuminated. The contact's son did not sustain any injuries. The police or fire department was not called. The vehicle was towed to an independent mechanic, who diagnosed that an electrical fire had started in the engine and damaged the engine. The vehicle was not repaired. The manufacturer was not notified of the fire. The contact stated that the engine was replaced in 2018 or 2019 due to an unknown recall. The contact did not notify her insurance company. The failure mileage was approximately 190,000.