How do you take door lock off 1985 Nissan Pulsar?

To remove the door lock from a 1985 Nissan Pulsar, first, disconnect the car battery to ensure safety. Then, remove the interior door panel by unscrewing any visible screws and gently prying it off to access the lock mechanism. Locate the retaining clip or screws securing the lock cylinder and disconnect the linkage attached to the lock. Finally, pull the lock cylinder out from the door.