How do you recalibrate the speedometer in a Ford F-150?

To recalibrate the speedometer in a Ford F-150, you typically need to use an OBD-II scanner capable of programming. Start by ensuring your vehicle is parked and the ignition is on. Connect the scanner to the OBD-II port, navigate to the speedometer calibration settings, and follow the prompts to input the correct tire size or gear ratio if they have been changed. After programming, test drive the vehicle to ensure the speedometer reflects accurate speeds.