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.
Honda Civic Service Manual. Headliner Removal and Installation (4-door except Natural Gas models)
842100
SRS components are located in this area. Review the SRS component
locations and the precautions and procedures before doing repairs
or service.
1.
Battery Terminal (SRS) - Disconnection
...