General Procedure

Open the door.
Using a flat-blade screwdriver, fully close the latch (2 clicks).

Fig 1: Closing Latch Using Screwdriver
Courtesy of FORD MOTOR CO.
Spray the multi-purpose grease into the opening on the door latch for approximately 5 seconds.

Fig 2: Spraying Multi-Purpose Grease Into Door Latch
Courtesy of FORD MOTOR CO.
Open the latch using either the interior or exterior door handle.
Open and close the door several times to circulate the lubricant inside the latch.
Wipe off any excess grease.