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Old 03-11-2009   #1
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500c rear window heater

Have just returned from Fiat dealer and thought anyone with a 500c might find this info useful. Last week my rear heater button stopped working and someone here kindly suggested opening and closing the roof to cure the problem which worked. According to the dealer this has happened a lot to people. From what I can gather, if your rear heater button stops working then the action of completely lowering the roof and putting it up again 'resets' it

Anyway, might be a useful tip so that if it happens to you then don't assume (like I did) that it is broken. Try the up and down of the roof method first
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Old 03-11-2009   #2
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Re: 500c rear window heater

Duff connection?
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Old 03-11-2009   #3
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Re: 500c rear window heater

Maybe its a safety feature which stops you accidentally putting on the heated rear window when the roof is folded... but the sensor that tells the car that the roof is back up isn't performing as it should. Seems reasonable to me.
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Old 03-11-2009   #4
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Re: 500c rear window heater

Thanks for the update. I'm glad my little fix worked. It does sound like it may be to do with the sensor so that you cant have it on when the roof is down. At least it's not a major fault.
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Old 03-11-2009   #5
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Re: 500c rear window heater

Yes, made sense to me also that there would be a safety feature to stop you putting the rear window heater on whilst the roof is down and folded. I guess it doesn't always get the message though when the roof is put up again - although to be fair my daughter was mucking about with the roof just beforehand and that might have had something to do with it rather than a faulty sensor
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Old 03-11-2009   #6
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Re: 500c rear window heater

thanks for that tip Midlife .... I will bear it in mind when I pick mine up TOMORROW
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Old 03-11-2009   #7
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Re: 500c rear window heater

Oooh, big day for you bettyb!!! Have a good one!
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Old 04-11-2009   #8
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Re: 500c rear window heater

Thanks midlife. Our rear screen demister stopped working last week, I checked the fuse ... all OK. Then a few days later we suddenly realised it was working again ... from what you say it seems the roof opening and closing has probably done the trick .... it's the first thing I'll try next time. Cheers!
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Old 04-11-2009   #9
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Re: 500c rear window heater

Quote Originally Posted by bettyb View Post
thanks for that tip Midlife .... I will bear it in mind when I pick mine up TOMORROW
Hope the pick up goes well, how exciting. Photos soon please as love seeing these other 500c's! I haven't seen another on the road yet but am sure it won't be long
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Old 04-11-2009   #10
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Re: 500c rear window heater

Quote Originally Posted by Sluggy View Post
Thanks for the update. I'm glad my little fix worked. It does sound like it may be to do with the sensor so that you cant have it on when the roof is down. At least it's not a major fault.
Actually just want to say thanks and point out that it was you who spotted this fix in the first place. Credit where credit is due
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Old 05-11-2009   #11
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Re: 500c rear window heater

Thank you for the tip! I found the same problem last nite
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Old 05-01-2010   #12
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Re: 500c rear window heater

Thanks for this worked for us too - noticed intermittent problems with the rear demister button not working and checked the fuse in the engine compartment - seemed OK - but then read this on the forum did the open and shut thing with the roof and hey presto ! Saved me a call to our dealership in Wincanton!
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Old 04-06-2010   #13
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Re: 500c rear window heater

Awsome! You saved me a trip to the dealership.
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Last edited by julier; 04-06-2010 at 10:52.
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Old 12-12-2013   #14
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Re: 500c rear window heater

Thanks SO much for the info about the rear window defrost! You saved me a world of time and annoyance. I didn't even have to open the top all the way - just held the "close" button, I heard a click and there it was. Thanks a million!!
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Old 12-12-2013   #15
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Re: 500c rear window heater

Having owned many convertibles in the past, even in this weather I try to lower and raise the roof every week. So far so good
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