The Ford F-150 is part of the F-Series full-size pickup trucks sold since 1948. The most popular variant of the Ford F-Series is the F-150. It has been the best-selling vehicle in the United States for over 30 years. Ford also manufactures F-Series medium and heavy-duty pickups alongside the F-150, F-250, and F-350s (F-450, F-550, F-650, F-750 Super Duty trucks). Remote keyless entry systems are available options for all Ford F-150 trucks.