Where is the car's PIN code generally located?

[SanFernando]

The car's PIN code is generally found in the vehicle's user manual. If the security envelope was already opened when the car was purchased, it indicates that the anti-theft system's PIN code may have been stolen by others. Relevant information about the car's PIN code is as follows: Uses of the car's PIN code: The car's PIN code is commonly used for matching performance after replacing important components, clearing fault codes, and matching car keys. Methods to read the PIN code are as follows: Dealers can read the anti-theft device identification code from the control unit, then apply to query the password, after which the car company will send the database scheduling data to the dealer. It is the vehicle's production identification code, ensuring the vehicle's security.