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Rear window demist/defog

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Old 12-23-2019, 05:58 AM
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gazfish
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Default Rear window demist/defog

Hi All,

Used the defog button for one of the few times since I got the car 4 years ago and not sure if it’s another thing I have to fix or the behavior is normal.
I’ve read the threads here about the car continuing to run if the button sticks and also read the manual but just wanted to check:
- If you push the button with no key in the ignition should everything light up as if the ignition is on until you release it?
- If you push the button with the car running and then switch off the car, should the 15 minute timer continue and the light on the button stay on

I know the system gets battery power all the time so maybe the above is normal, just seems a bit un-Porsche like.

Thanks and Merry Christmas,
Gary



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