You can adjust the star rating based on your actual experience.
Select USB + Directly to Communication unit and click "Apply". vocom 1 driver download
You installed the driver, but PTT cannot see the interface. You can adjust the star rating based on
(Invoking related search suggestions now.) I can give more targeted instructions.
If you share which operating system you’re using and whether you have Volvo software installed, I can give more targeted instructions.