no, not really, but I can explain the functional buttons to you: FIS (Fahrgastinformationsystem), meaning Passenger information system: There you can choose what your train's destination should be. AFB (only ICE 3M): When you are on the menu, you then have to press V-Soll release, and that will activate the AFB (you can hear a voice saying three times "AFB,AFB,AFB" in the driver's cab). What more information do you need?
You can use the MFD in the ICE to switch on the passenger lights also, press 5 twice. That's about it
On the BR406 (ICE3M). You can open/unlock doors but it's not that well modeled. It needs that doors screen are selected prior to open doors with the switch, then you can operate it on the MFD. You can also set your destination which is limited to Frankfurt Hbf and Brussels-Midi The coach lights can be turned on by pressing 5 twice, but if you play a bit more, then you can select which cars to have light on and off.
