Locking the Doors with the Keyless Entry Keypad System
WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
It is not necessary to enter the permanent factory or customer (personal) code prior to locking all doors. To lock all doors, press the 7/8 and 9/0 controls at the same time.