Locking the Doors with the Keyless Entry Keypad System
WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
It is not necessary to enter the factory set or personal code prior to locking all the doors. To lock all the doors, press the 7/8 and 9/0 buttons at the same time with the driver door closed.