The point of the car alarms and crypto is to notify you if your car is broken into, that will act as a deterrent. That aside, many car thieves will even steel

The point of the car alarms and crypto is to notify you if your car is broken into, that will act as a deterrent. That aside, many car thieves will even steel airbags (very expensive), and you can't exactly go around dismantling and removing them every time you leave the car.