Yeah... so what he's saying, is those buttons are for the stuff that doesn't work anymore
The cupholders are retarded - buy a "cheap" taiwanese replacement, and they'll last longer than the OEM ones.
Then (after you clean all the dust from the AC temp sensor, as seen in your last 2 pics) you can put cold drinks in it, and have the heater go warm, or put hot drinks in to make it go cold, because some silly German person put the sensor right by where your drink goes.
Oh yeah, then the drink tips over, because the cup holders ar so short anyway.
Yeah - the V8's aren'tn't that hungry really. 9.2 is OK, but you probably weren't trying for your best economy on a run home in a newly purchased V8