How to find out Peugeot 307 anti-theft password?

How to check the anti-theft password of Dongfeng Peugeot 307 key: use the barcode on the spare key to go to the 4s shop to match it. Dongfeng Peugeot 307 key anti-theft password matching and algorithm: (1) anti-theft password reading password is 8 digits. Find the chip 24C02 in the anti-theft box and read the anti-theft data.