This 2014 pickup was started at about 8:00 AM and the manager went inside the building for a few minutes, (less than 5). A vender that was delivered petroleum product saw that the truck was smoking and on fire in the cab and he told the technicians in the shop who ran out with fire extinguishers to put the fire out. The doors had locked automatically with the keys inside the vehicle. A spare set of keys were acquired shortly and the vehicle was opened with the key. The vehicle was turned off and the hood was popped. a fire extinguisher was deployed while another technician disconnected the battery which then extinguished the fire. The heater motor had melted out of the dash and the dash had started on fire. The dealer was notified and we were told to call Ford and report to our insurance. We are self insured so there is no one to report to. There were no symptoms, problems leading up to this thermal event. The vehicle has 78,000 miles on it and is in great mechanical shape. I have reported it to Ford Motor Company and they gave me a case number [XXX] Pictures INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)