My wife told me that today she came home, parked the car, and went inside. She came out a while later and heard the climate control fan running at a high speed. It was a hot day, and she had been running the A\C, and I seem recall reading somewhere that the system may do that to dry the Evaporator coil off. (which is a great idea!). Is this what was happening? if so, when does it happen and how long is it supposed to run? She seemed to think that she had been home for quite a while when she noticed it.