I am in South Carolina and yes, I have had issues with the AC. I also have a 2013 G37s Vert and the AC is super cold in it. Twice this summer, the ac was on blast but just blowing heat and you could hear the compressor running. Took it straight to the dealership while it was doing that they they couldn’t figure it out either. They were going to check it in and all of a sudden it starting working correctly and hasn’t done it since. They have made note on my account about the issue, but we think it was a software glitch.