Anyone who wants to change their vote can click the 'withdraw vote' just underneath the results at the top of each page of this thread
But it is all looking pretty conclusive!
If you have a 2.2, it
should auto defrost, and if you have a 1.8 or 2.0 engine, then you need to press the button yourself
And for clarity -
auto defrost means that the film of ice on the rear window / wing mirrors will clear without you having to press the button.
The LED does not light up when
auto defrost is doing it's thing
