The contact owns a 2004 GMC Envoy. The contact stated that while the vehicle was parked and unoccupied, the contact noticed that the front passenger's door was on fire. The contact stated that he arrived home just in time and noticed the fire. The contact stated that, because it was raining, the contact's wife had powered the window up; however, the contact noticed that the window was down when the fire occurred. In addition, the contact stated that the fire was blazing, and after the fire was extinguished, the smoke was still visible. The contact extinguished the fire. The contact disconnected the battery. In addition, the contact stated that it could have been a huge fire because the fuel tank had just been refilled prior to the failure. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 133,295.