So look up "variable stage compressor" that's what is in these cars.

No, when that goes bad the compressor needs to be replaced.

It took me a LONG time to track this down because this problem is really common and most forum suggestions are to do a ton of diagnosis. I wish I had saved the thread.

But if your problem is as I described (AC blowing warm but system is full and cools of when driving or revving the engine) then the variable valve is bad and the compressor is definitely the problem.