How do you change the 6 digit security code on your 2011 Ford Fusion?

To change the 6-digit security code on your 2011 Ford Fusion, first, ensure the vehicle is in the "On" position without starting the engine. Enter the current code using the keypad on the driver's door. Once the existing code is accepted, press the "1-2" button to initiate the programming mode, then enter your new 6-digit code. After entering the new code, press the "1-2" button again to confirm it.