Moin was just at the Lexus live event in Lüneburg and I drove a short LS 600 h (I sat in there a little longer). Very nice car, the BMW 745d clearly prefers (if you can judge this on a 300m long test track…). But the ventilation really bothered me. I drive a Toyota Prius with hybrid drive, in stand and in slow driving there is almost no engine noise to hear. However, the ventilation (the fan) is already. Even at the slowest level is But when I was sitting in the LS 600h today, I thought I didn’t trust my ears. On the stand (choice lever on P, “motor” on, doors on) the air conditioning/ventilation LAUT was to be heard. Even when I put the blower from hand to first level, it was still good to hear. And that with a car for 126,000,– Euro. That’s my opinion. I am a computer dealer and usually sell my customers PCs that are extra quiet. It is possible with little effort to construct fans in such a way that they are inaudible at the same air transport volume. And these fans cost in my case instead of 2 Euro only 5 Euro, so it should be possible for Lexus to buy and implement some knowledge about quiet fans / blowers somewhere… There they build a car, which is not to be heard in the stand and break everything with the blower again… Harald, who is otherwise satisfied with his economical quiet Prius