Part number must be 9 or 10 characters long, only letters and numbers. You can find it in system settings, service menu, and at the back of the head unit.
Unknown Number details
Unknown
Infotainment Name
Unknown
Infotainmen Generation
Unknown
Car model
Unknown
Infotainmen Vendor
Latest Firmware: Unknown
GPS navigation: Unknown
DAB radio: Unknown
MOST loop: Unknown
WLAN support: Unknown
Reverse camera support: Unknown
App-Connect support: Unknown
Hackable: Unknown