Open the home page of Volkswagen Car network to register an account, and activate it through the activation link in the mailbox; 2, log in to the account, fill in the personal information, set a 4-digit PIN, and then add the vehicle; 3, after adding the vehicle will get a set of online matching PIN code, go to the 4s shop with this PIN code to ask the after-sales service to help open; 4. After entering the PIN code, wait for a few minutes, the mobile phone receives the successful activation of the car network message, and the green light on the roof of the car can be turned on