The contact owned a 2014 Toyota RAV4. The contact stated that while driving at 30-40 MPH, while depressing the accelerator pedal, the vehicle stopped independently. No warning lights illuminated. The contact mentioned she noticed smoke and flames coming from the engine, and smoke started coming inside the vehicle. There was a fuel odor. present. The contact exited the vehicle and stood on the side of the road, and called 911. 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 an unknown location. The vehicle was not repaired. The contact mentioned days prior to the battery warning light illuminating, and the battery was determined to be functioning as normal; therefore, the vehicle was resumed to be driven as normal. The manufacturer was not notified of the failure. The failure mileage was unknown