How do you put on child lock on citroen xsara Picasso?

To engage the child lock on a Citroën Xsara Picasso, open the rear doors and locate the child lock mechanism on the edge of the door. Using a flathead screwdriver or a similar tool, turn the lever or switch to the locked position. Close the doors to ensure the locks are engaged. This will prevent the rear doors from being opened from the inside, enhancing child safety.