It seems every vent blows at the same temp. (even the rear ones), the compressor seems to kick in too. Based on my limited experience, with cars I had in the past lack of freon (or the new gas they use), was common, especially after periods of not using the AC. In this kind of car, I am not sure. In any case $ 200 seems too much, but maybe I am wrong. And I try to avoid to stealer as much as I can unless I am sure it will be covered by the CPO.