Important for Drivers, Especially on Hills

This page is the CodyCross answer for the clue below from Amusement Park, Group 209, Puzzle 5 (Balloons and Candy).

Question is: Important for Drivers, Especially on Hills

and the answer is: HANDBRAKE

Word Meaning:

HANDBRAKE — (mechanical engineering, automotive, rail transport) A brake in a vehicle, set by hand, and usually locking on until released by hand, enabling its use when parked.

Definitions from Wiktionary.