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2013 Ebony SXL Turbo: Original Everything @ about 193K with Drag wheels.
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406 Posts
As Puinsai said, must have A/C on and even at that should use mid-level and low (foot) vents, that lower flowing air gets sucked up at bottom of seats providing cooling mostly to the back area but some to seat. There has to be a slight 'separation' between the person's body and seat bottom/back for the cooler air to actually travel and be felt. It does work if used this way. Necessary? Not really. Luck all.
 

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2013 Kia Optima SX
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42 Posts
There is a fan that moves the air in the seat for the cooling feature. They could be bad. I’ve had better luck with having the air at the floor to get the cooling feature working better after work.
 

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2012 Black SX Prem. & Tech.
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2,289 Posts
Another way to get a bigger impact is to wait a bit before turning on the seat cooler fans. That gives the A/C time to cool down the air, and the cool air will descend down to the floor of the car and once it builds up enough cool air, then you turn on the seat cooler (fan). That way your skin will feel a bigger difference in heat change when the cooler air hits your back.

Put another way, it's like the old saying of boiling a frog in a pot of water. If you gradually increase the heat, the frog won't notice.

Well, if you just turn on the seat fan immediately, you don't really notice the change over time as it slowly gets cooler and cooler. Like the frog not noticing he is slowly starting to boil.

But if you wait, let the cabin floor air cool down, then turn on the seat cooler fan, boom you feel a strong difference in temperature.
 
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