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Old 12-30-2013, 12:50 AM
Mikebear79 Mikebear79 is offline
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Join Date: Jul 2013
Location: Phoenix, AZ.
Posts: 241
Center vent

The center vent is only for fresh air or recirculated A/C, not heat. Just close it with the slider switch. The benefit of this system is to allow stratified air supply, as in heat to your feet, and fresh/cold air to your face if you get too hot/flushed.
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