Noise-Making Vehicle Anti-Theft Mechanism

This page is the CodyCross answer for the clue below from La Bella Roma, Group 402, Puzzle 4 (Castel Sant Angelo).

Question is: Noise-Making Vehicle Anti-Theft Mechanism

and the answer is: CARALARM

Word Meaning:

CAR ALARM — An audible and often visible alarm that is activated when a motor car/automobile is tampered with.

Definitions from Wiktionary.