Unfortunately, there is another problem. With my 9000 CS 97, the automatic climate control has worked well so far. Now it only blows over the defroster nozzles. If I type the other buttons, the respective diode lights up, but the air still only comes out above (almost only above). In the footroom and especially in the dashboard hardly a little air, even if the fan is turned up. Temperature control seems ok. Only the actuator of the defroster valve or defect in the control unit of the ACC? How can you get closer to the cause? The car will soon be inspected anyway… Thanks Jens