Soohoo, forum, answers found. But I am still unsure. Therefore the following situation + question. Air conditioning got its service and also a new filling. Cooling performance is nevertheless only “lo” satisfactory. Self check showed zero errors. In the last half-cold winter I was looking forward to a Nordic heating. Pustekuchen. Laue’s ventilation, but “hot” for my temperature feeling it did not come out of the nozzles despite “hi” position. normal range and I haven’t got it in the red up to now. Manual control of the fan speed also works. Furthermore, occasionally the windows are covered, both in cold and warm weather. Does my control unit n shot or with which other spare parts order can I please the Saabothekers?