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Hello there! Just wondering if you had come across similar situation. Of late, the air cond generates some "damp" smell. It is less bad if the air cond is NOT on recirculation mode. Coud it be that the (cabin?) filter has gone wet and bad? Is this something that can be picked up by PIWIS? Any idea how to overcome this? Cheers.

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There are also quite a few chemicals on the market that you spray in the cowl area with the a/c running to kill any bacteria in the system that could be causing the smell. I've heard good things about the stuff made by Wurth.

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Thanks Loren -- I actually successfully changed my interior pollen filter awhile ago (thanks to Renntech posts). What I'm curious about is a possible exterior vent air intake location A previous poster in this thread noted to, "Try spraying frigifresh into intake outside car. Works great."

Is there a vent located on the Cayenne exterior in which I could spray antimicrobial solution?

Edit -- spelled Loren's name properly. (Sorry Loren.)

Edited by odix
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Apologize for taking a hitch here. Just got my 06 Cayenne for 2 days. It comes with a 4-zone air-conditioning system.

1) Is there an on/off switch for air-con?

2) When rear passenger exit the car, how can the driver switch off the rear air-con

Thanks in advance.

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Yes, you can turn off air conditioning -- just switch to "econ" mode. The owner's manual (which you can download here on Renntech) covers this as well as how to switch off/on zones.

Congratulations on your new Cayenne.

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Yes, you can turn off air conditioning -- just switch to "econ" mode. The owner's manual (which you can download here on Renntech) covers this as well as how to switch off/on zones.

Congratulations on your new Cayenne.

Just got the car back after leaving at the dealer for 2 days to rectify a few things.

As all my previous cars have an on/off switch to turn on/off aircon compressor plus aircon fan together. Will start getting use to using the "econ" to switch off compressor from now.

Thanks for the help.

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  • 3 weeks later...

Maybe lost in translation, but the 'Mono' feature of the climate control is a great one to know. Push and hold the 'Auto' button(on the front Climate control) in for a few seconds and Mono will appear. This allows the driver's setting to be used throughout all 4 zones.

If you're trying to shut off just the rear, push the button on the front climate control that has the back seat shaded, it will then display what is set in the rear climate system for a few seconds. You can make changes to the rear during the few seconds that the rear only icon is displayed.

Apologies if this is not what you asked about.

Edited by jagman1
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