Rear Defroster Switch

John S. Lagnese jlagnese at
Mon Jan 21 14:23:06 PST 2008

I'm sure that is why all of the power heated mirrors have been losing the 
silvering on the edges. I've never had this happen to no power mirrors.
----- Original Message ----- 
From: "Huw Powell" <audi at>
To: "John S. Lagnese" <jlagnese at>
Cc: "Max Hoepli" <mhoepli at>; <quattro at>; 
<audi_owners_usa at>; "'s-car-list'" <s-car-list at>; 
<w-t_audifans at>
Sent: Monday, January 21, 2008 5:13 PM
Subject: Re: Rear Defroster Switch

>> The switch may melt. It is also bad for the mirrors.
> A properly designed switch should not melt from being left on.
> Don't know about it hurting the mirrors.
> But, *using* a switch like this is better for it - each actuation helps
> keep it clean.
> If you've left it "on" because you're having trouble getting it to stay
> in, I think that's better than not having the defroster when you need it.
> But try to fix (or replace) the switch sometime.  You are at the very
> least using extra gas to make the 'lectricity to warm the rear window
> and mirrors.
>>> Hi all,
>>> Regarding the "push on and stays in and push again and is out and
>>> off switch", when using for rear defogger I'm wondering if it would
>>> be better to leave in the on position for the whole winter instead
>>> of repeatedly pushing on-off. Had a problem pushing square button
>>> to stay on, would not stay in, would spring back to out/off
>>> position, eventually stayed in the on/in position. Just left the
>>> button in the in/on position.
> -- 
> Huw Powell

More information about the quattro mailing list