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2018 Model 3 AC Issue - Not cold when parked, doesn't cool down when turned on from app

I've noticed this too. Try turning the AC on 20+ minutes before getting back to the car only to find the car is still hot as hell and the ac fan was only blowing in the front and on a very low fan speed. As soon as I open the door the fan immediately ramps up to cool the car down. Cooling via app is basically useless.