There are many auto security systems available to keep your car safe from thieves. Most of them claim to have more benefits than the next antitheft device, but vehicle security devices are only one of many ways to keep your car safe and sound.

Common sense is your best defense against auto theft. Make sure that you never leave your keys in the car; do not be tempted to use hide-a-key devices. Always lock every car door and roll up all windows, and park the car in a well-lit and secure place. Thieves don't like to work hard to steal things, so as long as you make it difficult to steal your car, they are unlikely to try it.

Auto security systems can also be an excellent theft deterrent. And, contrary to what the auto security systems makers will tell you, it may not matter which one you use. If you choose to go this route for theft protection, it is important that you find a security system that is a good fit for you. It has to be a security system you will actually use consistently.

While many devices are made to help recover or trace the car only after it has been stolen, these also act as a deterrent. GPS tracking devices will tell police where your vehicle is and are often too difficult for less experienced thieves to circumvent. The trick with this is to make sure it is obvious to the possible thieves that your automobile is armed with a GPS tracking device.

Having the VIN number etched into the glass is another way that a car can be tracked if it is stolen and the car is sold for parts. If a thief sees these numbers etched into the glass, they will be more likely to move onto the next car.

Some makes and models of vehicles are more likely to be stolen than others. Many car magazines will list the cars most likely to be stolen each year. Vehicles on such a list should not be purchased. These kinds of cars seem to attract thieves, and auto security systems may not be enough to keep thieves away.

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 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. It really doesn't matter which auto security system you buy as long as it prevents the thief from stealing your car. Whichever system you buy, should fit the needs of you and your car.