rain sensors

Hi I have a Model S 85D. On the wipe stalk it has off, auto slow, and auto fast and then the two speeds. On the two speeds the wipers work fine. However, the two auto positions either do not work at all. Or when first switched to these position they will operate the wipers once. Very...

So, Is anyone else still having some troubles with their rain sensor? Mine will not turn on or be delayed for small / medium rain and sometimes when its not even raining I cant get it to turn off without manual settings. I just dont get why we need Neural Net learning machines as some...