FREEK303: yea, its under the middle part, start with poping out plastic panels around vent switch on left and ac switch on right, under there are some philips head screws, then some screws on do bottom side above motor/gearbox place, than the upper plastic-shelf... i'll find out ;)
at the end comes the central part where the 4 switches (temperature,where to blow,windows,in/out air) and there are the control cables...
whatch out for not to break the switches, there's the ligthning parts of plastic under the panels