Keyless Interior Door Lock Power Door Lock Problem?

Power door lock problem? - keyless interior door lock

I own a 1993 Cadillac DeVille, the car is in perfect condition. But the locks will only work if the doors are closed. as if a door is opened, lock.and the habit of locking the doors usual, when the lights are on the inside. What type of problem might be?

For more information: It was a keyless entry on him, but I mispaced remotes, and I have not seen the remote control since 2003.