Defroster/defogger/hvac System problems of the 2017 Ford F-150

The contact owns a 2017 Ford F-150. The contact stated while her husband was driving 5 mph out of the driveway, there was an abnormal burning odor coming from the vehicle. There were no warning lights illuminated. The contact's husband then heard an abnormal sound coming from the vehicle and the rear window cracked. The contact called an independent mechanic and was informed that the defroster had heated up and cracked the rear window. The vehicle was not diagnosed by an independent mechanic or the dealer. The local dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 120,000.

The contact owns a 2017 Ford F-150. The contact stated that while driving at an undisclosed speed and upon activating the rear window defroster, she observed smoke filling the interior of the vehicle. After a visual inspection of the rear window, the contact observed the rear window lower wire cover on fire. After turning the vehicle off, the fire extinguished on its own, after which the rear window shattered. Emergency services were not called. A fire report was not filed, and no injuries were reported. No warning lights were illuminated. The vehicle was towed to the dealer, who determined that the rear defroster wiring had shorted, causing the wiring to catch fire. The vehicle was repaired. The manufacturer was notified of the failure but referred the contact to the NHTSA hotline for assistance. The failure mileage was 106,000.