The contact owned a 2018 Hyundai Santa Fe Sport. The contact stated that while driving 5 MPH, while depressing the brake pedal, the vehicle failed to respond. No warning lights illuminated. The contact pulls over to the right side of the road, exits the vehicle, and notices flames coming from the engine, and smoke starts coming inside the vehicle. The contact mentioned that a bystander gave him a fire extinguisher to extinguish the fire, the flames stopped, then a couple of seconds later, the failure persisted. No injuries were sustained. No medical attention was required. A police report was filed. The fire department extinguished the fire. The vehicle was destroyed. The vehicle was towed to J&J Towing. The vehicle was not repaired. The contact was relating to the failure of the NHTSA Campaign Number: 22V810000(SERVICE BRAKES, HYDRAULIC). The manufacturer was not notified of the failure. The failure mileage was 170,000.