Every car owner wants to protect their vehicle from theft, but what may be surprising to some people is that not all vehicle security devices work the same. Although almost all of the antitheft devices out there claim to be the "best," the truth, unknown to many, is that auto security systems are just one portion of making your car theft proof.

Common sense is your best defense against auto theft. Make sure that you do not leave your keys in the vehicle and do not use hide-a-key devices. Next, make sure to lock your doors and make sure the windows are secure. Also, park in a safe, well-lit area. If you practice these habits a thief will be more likely to chose a different vehicle.

Vehicle security systems are another good deterrent, and though auto security systems manufacturers will tell you otherwise, it may not make a critical difference which one you use. If you do decide to go the route of a security system for theft protection, then it is important to select a system that is right for you, one that you will consistently use.

Many devices that track cars so that they can be recovered after a theft has occurred are also good deterrents, because such GPS devices tell police where your car is. Many car thieves are amateurs and do not know how to disconnect these devices, so making it obvious that your car has a GPS device attached is a good way to convince thieves to move on to another target.

Another way to trace parts from stolen vehicles is to have the VIN number etched into the car window. Seeing this number in the window is likely to deter a thief from even touching the vehicle, and they will move on to someone else's car.

Some vehicles are stolen more often than others. The list of cars that are stolen most often are listed in a number of car magazines. If you are in the market for a new vehicle you may want to consult these magazines before purchasing a car. Whether these vehicles have an auto security system or not they may be targets for thieves.

Car owners wishing to protect their cars from theft should follow many simple common sense tips. Locking doors and securing windows, as well as removing the keys from the car are important, as is parking in a safe well-lit area. Although these steps are most useful, many auto security systems are good antitheft devices. These vehicle security devices are all useful in preventing theft. Devices which use GPS tracking to assist the police in recovering the car in the event that it is stolen are especially beneficial. Another useful technique is to etch the VIN number into the windshield glass. Owners can do many things to protect the safety of their cars.