Ford’s Truck App Helps Drivers With Proper Trailer Connection. Available solely on F-Series pickups with Ford’s 4.2-inch LCD instrument cluster screen—another class exclusive for the Blue Oval—the Truck App can lead drivers through all the steps necessary for a proper trailer connection in a simple, informative manner. The App’s checklist includes the following prompts: Ball coupler connected and locked? Tongue jack raised? Mirrors adjusted? Electrical wiring connected? Lights functioning correctly (running lights, left/right turn and brake lights)? Trailer Brake Controller gain setting adjusted?...