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Old 12-15-2015, 11:24 AM   #46 (permalink)
1995 Previa LE S/C Driver
Join Date: Dec 2009
Location: Stillwater, America
Posts: 59
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Originally Posted by oil pan 4 View Post
[W]ith the engine off the vent controls have no vacuum to actuate the fan selector so the default mode blows all the air out the floor vents.
If the blower air would go to the defrost vents the heater would only need to be on for maybe 5 minutes before it would start to melt frost.
Can't you just put it in the defrost position when you shut down for the night? That way, the vacuum has already moved the flaps to the right position.
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