Car Door Security to Protect Kids

This page is the CodyCross answer for the clue below from Airport, Group 459, Puzzle 2 (Air New Zealand).

Question is: Car Door Security to Protect Kids

and the answer is: CHILDLOCK

Word Meaning:

CHILD LOCK — (automotive) A type of special-purpose lock that when activated, prevents rearseat passengers from opening the doors from the inside.

Definitions from Wiktionary.