I have the climate control set to OFF when this happens. It's very hot air! It can totally overide the airconditioning when it's on. (sorry to those with snow etc.) I close all the dash vents to keep it from burning me up.

On a similar note, When my sunroof is popped open for a little air the dash vents allow fresh air in while the climate control is set to off.

Steve

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Steve
1989 560 SEC