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Cabin Air Filter: Service Precautions
Particle Filter
:
The fresh air passing through the particle filter into the passenger compartment is virtually free of dust and pollen.
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If the outside air is polluted by exhaust fumes, press the circulating-air button.
A dirty filter can be the cause of reduced air flow.
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Have filter replaced by your authorized Porsche dealer.
Regular filter replacement is part of the routine maintenance service.
This is a source reference. Confirm exact model applicability in the original material.