The contact owned a 2011 Hyundai Sonata. The contact initially stated that while driving at various speeds, an abnormal, knocking noise would emit from the engine. The contact had taken the vehicle to the dealer where a knock sensor test was performed and the contact had the engine replaced under warranty. A few months later while driving at night at 35 MPH, smoke(color unknown) began to emit from the vehicle without warning as he noticed his feet getting warm. The contact then saw flames emit from the vehicle and immediately pulled over. The fire department was called to the scene and extinguished the fire(fire report unknown). Police also arrived at the scene and a police report was filed. No injuries were reported at the scene. The vehicle was totaled and towed to an independent body shop. The manufacturer was notified of the failure and offered the option of a settlement; a settlement had yet to be made. The failure mileage was approximately 175,000. The failure mileage on the new engine was approximately 10,000.