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.
5C0 035 680 A details
VW Discover Media
Infotainment Name
MIB2 Std PQ
Infotainmen Generation
Various PQ VW cars
Car model
Unknown Vendor
Infotainmen Vendor
Latest Firmware: Unknown FW
GPS navigation: Yes
DAB radio: Yes
MOST loop: Unknown
WLAN support: Supported
Reverse camera support: Unknown
App-Connect support: Supported
Hackable: Unknown