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Prog · 05-07-2014, 09:29 AM

I have noticed this in all of my cars, but only when the heater was the last thing that was on. If you put on the AC and then turn off HVAC, it doesn't leak heat.

05-07-2014, 09:29 AM	#4
Prog Senior Member Join Date: Sep 2013 Drives: 2016 Cadillac CTS Location: North Carolina Posts: 497 Thanks: 177 Thanked 135 Times in 95 Posts Mentioned: 5 Post(s)	I have noticed this in all of my cars, but only when the heater was the last thing that was on. If you put on the AC and then turn off HVAC, it doesn't leak heat.