Help Locked out Can't try credit card method in door slot, unless I

The rears doors have a white key slot for the childproof lock The front & rear doors also have a black key slot What are the black slots

Lock trim; Strike plate; Key cylinder The lock must slot in a pocket or mortise within the door once you install it So, you would

door mail slot catcher Door Lever Lock, Universal Entrance Door Lock, Silent Universal Slot Door Lock for Interior, Bedroom, Door Lever Handle, Matte Black,

door slot lock After you remove the key make sure to check the lock by both locking and unlocking the door This also works very well for pesky mailbox