My 2006 Q7 3.0TDI was left in garage from Christmas till yesterday. Battery was almost flat, but I was able to start engine.

What I have noticed, that in screen Audi starting logo has appeared for a few moments ant went black. That repeated for several times. What I figured out later, that radio, telephone, navigation, screen - whole MMI is not working.

I thought that this is somehow related to the discharged battery. I have charger it last night. But problem persist. Therefore I have...

MMI head unit is dead?