If it is on auto it will always be on just adjust the amount of fan and AC coming through. Living in Vegas, it's either use the AC or die! I keep it set around 82 and up as the AC blows too cold other wise. If you have an issue with allergies just make sure your AC is set on recirculation instead of bringing in out side air. Also don't they have a cabin filter? I know my G does but I am not sure about the Z.
Ahhhhh ^^^^^^^^I see they do. You should not be having an allergy problem.
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Porsche, it's a 2 syllable word
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