To activate the 431 function on a Volkswagen 886, you can follow these steps:
First, make sure your vehicle is connected to the Internet. Then, go to the Settings menu of the vehicle system and find the \"Activate\" option.
In the activation options, you may need to enter an activation code or activate online. If you have an activation code, enter the correct activation code and follow the on-screen instructions to complete the activation process.
If it is activated online, you will be asked to enter the relevant information of the vehicle and verify it. After the verification is complete, the 431 function will be activated successfully. If you encounter any problems, it is recommended that you contact public customer service or go to the authorized service center for help.