Why did you receive the message that the car chip decrypted the matching of the remote controller?

Anti-theft chip function. When the owner approaches the vehicle, the sensor in the car key receives the radio frequency signal of the car and sends it to the chip of the car key. When the two signals match, the key will send a set of password signals and the password information of a key to the car, which proves that the matching is successful and prevents criminals from stealing the car.