We seldom use the AUTO setting. Read never.
We normally use the LO fan speed because it is a little quieter and that's where wife wants it. It's a little quieter that way, on two counts.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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