The contact owns a 2018 Ford F-150. The contact stated that while driving approximately 45 mph when the vehicle's side air bags on the driver-side, front and rear, suddenly deployed without impact. The contact then noticed that a small fire had sparked on the floorboard near their feet. The contact had pulled over to the side of the road where an observer was able to retrieve a fire extinguisher from their home and put out the fire. The contact was unable to verify if a fire report was made. There were no injuries. The vehicle was towed to the dealer who had not diagnosed or repaired the vehicle as of yet. The manufacturer was not made aware of the failure. The approximate failure mileage was 55,000.