I have noticed that when the temps outside are over 100, my car freezes me like ice. The recirc button is off, but it is still freezing, I have the temp set to 75, I have to direct the vents away from me, so I know that there is a lot to do with the temp outside, as to the temp of the air on the inside. The climate control system monitors interior air temp, ext air temp, if your top is up or down, the new ones even have sensor to detect sunlight and increase airflow in those areas. (2005 SL) I will be excited to see when these things start driving themselves. For as much as they cost, they should. ha ha.

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Brian W. Heitman

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