Can someone tell me how much of a load the vent has on one, compared to the other settings? I imagine it makes a difference, but small.
While adjusting the numbers makes the cabin cooler or warmer, as far as I know, the AC is working just as hard.
I cannot drive 70 while using my AC with my current grill block, but it is 116° here in Phoenix.
Yeah, I opened my windows...
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