With an 80 degree day, and the ACC set on auto at 68, the thermometer placed in my central dash vent read around 45 all the way to work. And, the car was fairly comfortable and the air flow out the dash vents was fairly strong on speed 4 (out of 7?). In the past I've manually set the fan to max to get some adequate flow out the dash vents. Could simply knocking the small amount of loose stuff off the cabin air filters have made that much difference in air flow? Maybe everything is fine? No failure codes have returned in the ACC.

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