immobilisaattori
An immobiliser is an electronic device installed in a vehicle that prevents the engine from starting or running unless the correct key or fob is present. This is a security measure designed to deter theft. When the vehicle is turned off, the immobiliser is armed. If an attempt is made to start the vehicle without the correct transponder signal being detected from the key, the immobiliser will prevent the engine from firing up, often by disabling the fuel pump, ignition, or starter motor.
Modern vehicles typically come with factory-fitted immobilisers as standard. These systems often use a transponder chip