If you are in the market for a car security system, the Internet is a great place to begin your search. Browse through a variety of websites that offer car security alarms at great prices. You certainly don't have to be rich these days to afford a security system for your car or SUV. It's time to consider your safety. We unfortunately don't live in ideal times where crime is a mere bad dream. These days you have to be careful and take precautions. Maybe you just want something that goes off if the vehicle is penetrated, or possibly a car security alarm that chirps when someone gets too close to the vehicle. There are a number of options at your disposal. These days you can even leave your windows down, and an alarm will scream if a thief sticks his hand through the opening. It's all about the motion sensors.