What is an engine immobilizer and its use

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What is an engine immobilizer?

The engine immobilizer is a security system. And it’s a mandatory security system in countries like Germany and Australia.So what is meant by this engine immobilizer?
It is a smart key and when you insert this smart key into the ignition switch of your vehicle, the key transmits an electronic code to the vehicle. Your car engine can recognize this code and it can detect is it a correct key or any other similar key. Normally people try to steal a car by creating a duplicate key. By using this feature your car engine will only start if the code in the transponder chip inside the key or Smart Key fob matches the code in the vehicle’s immobilizer. This all settings are implemented though chips and can’t recreate without the help of an authentic person or an organization. So if you lost this key you need to contact your car company and not any local key maker. So replacing your key won’t be easy and it might be costlier. According to Wikipedia An immobilizer is an electronic security device installed in an automobile to prevents its engine from running unless the correct key is present. From wiki it is clear that it is a mandatory setting in Germany, UK, Canada and Australia. Earlier they used static code to recognize the keys. But they are using a much more advanced setting like encryptions and rolling codes.

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