Here’s a thing I realized about climate controls that is NOT intuitive - it is not about the temperature/humidity in the car or room! That’s only an accident - it’s about how the person/people feel. So the older cars work closer to that because they basically have the options “blow hot/cold air on me” instead of “try to maintain this temperature”. I can be quite comfortable in a wide range of temperatures if I can ge…
This is because she wants hot air on her hands, and in order to get enough hot air on her hands with a "normal" set-point temperature, the fans must be turned up enough that the wind chill makes her feel cold.
Instead she prefers very hot air, but at a limited rate.