The childproof door locks prevent the rear doors from being opened from the inside regardless of the position of the lock tab.
Setting the Childproof Door Locks

Slide the lever in the rear door to the lock position, and close the door.
When opening the door
Open the door using the outside door handle.
Childproof Door Locks
To open the door from the inside when the childproof door lock is on, put the lock tab in the unlock position, lower the rear window, put your hand out of the window, and pull the outside door handle.
Using the Master Door Lock Switch
Auto Door Locking/UnlockingHonda Civic Owners Manual. Locking a Door Without Using a Key
Locking the driver’s door
Push the lock tab forward or
push the
master door lock switch in the lock direction
, and close the door.
Locking the passenger’s doors
Push the lock tab forward and close the door.
Lockout prevention system
Models without smart entry system
The doo ...