There's a thread in the general M3 forum discussing AC effectiveness issues with 2021/22 Shanghai model 3s:
Have any of our Australian members experienced this?
Late 2021 onwards MIC Model 3s Have poor/faulty air conditioning from factory
After 4 Months of sending my Model 3 (December 2021, china factory) back to the service center for blowing on my knees and being told that "nothing was wrong" and everything being correct in the dash, it turns out that I was just the first of people noticing that the Model 3 with the new Heat...
teslamotorsclub.com
Have any of our Australian members experienced this?