How do you fix a door latch on a 1974 Plymouth?

To fix a door latch on a 1974 Plymouth, first, remove the interior door panel by unscrewing any fasteners and gently prying it off. Inspect the latch mechanism for dirt or damage; clean it with lubricant or replace it if necessary. Reassemble everything carefully and ensure that the latch aligns properly with the striker plate on the door frame. Finally, test the door to ensure it opens and closes smoothly.