The term CAR PROTECTOR can be broken down into two crossword solutions: ALARM (5 letters) and BRA (3 letters). An ALARM is a device that makes a loud noise when triggered, usually to alert people of an intruder or other danger. It is often used in cars to deter theft. A bra, short for 'BRAKE, ' is a device used to slow or stop a vehicle. It is an important safety feature in cars, as it helps to prevent accidents. Together, these two solutions form the term CAR PROTECTOR, which refers to the combination of an ALARM and a BRAKE that help protect a car from theft and accidents.