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Nowadays, car keys all use chips, which are magnetic chip systems. The reading coil of the ignition lock core will read the chip of the key; The chips have fixed digital information.
Remote control key means that you can open and lock the door remotely without inserting the key key into the keyhole, and its biggest advantage is that no matter day or night, there is no need to find the keyhole, and the lock can be opened and locked remotely and conveniently. A weak radio wave is emitted from the owner's side, which is received by the car antenna, identified by the signal code of the electronic controller ECU, and then the actuator of the system (motor or electromagnetic manager circle) performs the opening\/closing action. The system is mainly composed of two parts: transmitter and receiver
Yeah, you wouldn't be able to open the door, would you? Inside the car, you can't control the car.