MFA T5: Service Reset Without Usage Display

Hello, with the first T5, I reset the service indicator after the oil change.
T5 WV2zzz 7HZ 004354 2.5 TDi.
WIV is currently suspended and is expected to remain so.
After the 17th and 10th games, I went to set number 02, changed a "1" to a "0", and the service reminder was cleared.
Now, the power consumption display no longer appears, and it also cannot be switched on or off to show things like instantaneous power consumption.
Do I still need to adjust the other channels to specific values (Channel 43 = 50, Channel 44 = 720 days, Channel 45 = 0002) to complete this process, or should everything at least now be working again with a fixed kilometer interval?
Can someone please help me?

Okay, here we go again - radio navigation on/off!
Error 00857: CD changer - mechanical fault detected.
Is there a connection?