The anti-theft chip, which is part of the car's anti-theft system, communicates with the key and can only start the vehicle if it recognizes the legitimacy of the key.
If the anti-theft chip is placed inside the key, sometimes signal interference or poor communication between the key and the chip may occur, resulting in difficulty in starting the vehicle or stalling. It is recommended to place the anti-theft chip and the key separately to avoid unnecessary trouble.
The anti-theft chip is placed inside the key, and when the legal and safe key signal is recognized by the computer on the car, it can start normally, and you this sent and turned off indicates that the anti-theft can not recognize the key chip signal or the chip is damaged.