The contact owned a 2012 Hyundai Sonata. The contact stated while driving approximately 55 MPH, the engine started smoking. The vehicle was overheated and the vehicle flap and cooling warning light message displayed. The contact was able to pull over safely and exit the family out. There were 4 passengers, the wife, and 3 children. The entire vehicle was destroyed and engulfed in flame. The fire department extinguished the fire. The vehicle was towed to the wrecking yard. There was a police report. There were minor injuries to the wife and 1 daughter. The contact related the fire to NHTSA Campaign Number 20V746000 (Engine). The approximate failure mileage was 2,000