The contact owns a 2015 Ford F-350. The contact stated that the front passengers seat warmer was overheating and emitting a burning odor and smoke. The contact pulled over and noticed that the smoke was coming from underneath the seat, and the wires were burning and had started melting. The contact arrived at the residence, and her spouse disconnected the wires underneath the seat. The seat belt warning light was illuminated. The contact stated that the main information center failed to immediately activate certain electrical systems intermittently. The vehicle was not taken to the dealer to be diagnosed or repaired. The manufacturer was informed of the failure and confirmed there was no recall on the VIN. The manufacturer opened a case. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 115,000.