Thread: W140 climate control -- red & blue buttons
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Old 05-19-2006, 07:39 PM
Peter Guenther Peter Guenther is offline
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Join Date: Jan 2003
Location: Florida
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My manual on the 92 500SEL states that pushing the blue makes the air coming out of the center vent cooler, red makes it warmer. It kinda works I think.
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