New vehicle keys now feature a transponder chip, and as the key is inserted into the ignition, the chip is triggered by the radio frequency signal sent from the ignition barrel. Transponder technology is now apparent in many areas that require security access and are now popular in modern automobiles. Manufacturers are now working towards removing the need for the key altogether and adding a fingerprint recognition system. For instance, vehicles such as Rolls-Royce have a memory function, and as long as the driver inserts the key, the seats, headrest, mirrors, and steering wheel are adjusted according to the driver’s settings. Luxury vehicles can be coded according to the driver’s specifications. However, new cars have ECU technology and a transponder for added security. This was convenient for thieves as it allowed them to drive away with any car easily. Talking about starting the vehicle, traditional cars had a simple key lock system that could be unlocked from any similar key. Still, most have been replaced with RF technology now. Infrared systems were also used by some European manufacturers who required pointing the remote towards the car to unlock. The receiver on the vehicle also produces the same code, so both the electronic devices are synchronized. The modern entry locks use a more sophisticated rolling code system that generates a new code every time.
The older car remote entry systems used RF systems not fully secure as their signal could be easily captured and played back to unlock and enter the vehicle. In most modern cars, you do not have to insert keys to open the doors since they have remote locking/unlocking. Car security can be divided into two categories – Car entry and Starting the car.
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