Things to Consider in a Car Alarm System Car alarms are one of the best ways to foil a break-in or car theft. But sirens blaring in parking lots or across the street have made us almost immune to the sound. That’s why you need a car security system that delivers more than a sonic blast. Here are the top things you need to keep in mind when deciding on the best car alarm system for you. Carjack Protection This anti-theft feature might be an extra option you can add to yourcar alarm. Carjack protection combines lights, chirping alarms, and ignition kill switches. If you find yourself being confronted by a thief who wishes to take your car, and the car is protected by an anti-carjack device, you can strike a switch as you leave the vehicle. This action