The contact's granddaughter owned a 2013 Ford Fusion Hybrid. The contact stated that while her granddaughter was driving at an undisclosed speed, the driver looked in the rearview mirror and noticed black smoke coming from the rear seats of the vehicle. The contact stated that the driver's sons were in car seats in the rear seats of the vehicle. The driver immediately pulled over to the side of the road, exited the vehicle, and took her sons out of the vehicle. The contact stated that the entire vehicle then caught on fire. The contact stated that the driver's side of the vehicle was more burned than the rest of the vehicle. The fire was extinguished by the Fire Department, who informed the contact's granddaughter that the fire might have originated from the trunk of the vehicle. It was unknown whether a Police report or a Fire Department report was filed. The contact stated that the vehicle was towed and could be totaled. The driver's mother transported the driver and her sons to the emergency room due to smoke inhalation. It was unknown whether injuries were sustained. The dealer and the manufacturer were not notified of the failure. The failure mileage was unknown.