A car alarm provides
Many thousands of cars are stolen or broken into each year. Many people think they are safe when their car is fitted with an immobilizer.
However, an immobilizer does protect only against theft of the vehicle - not against break-in and burglary which is just as large a problem. Additionally thefts of older cars without immobilizers are a big problem.
Experiences and statistics show that car alarms have a preventive effect on car crime. This means that as an owner you can feel safe. If your car has a car alarm the thief may pass just your car.