We bought an '09 Civic from Honda a couple of months ago, with the 'Honda Happiness' guarantee. Fairly early I noticed during darkness you could see all of the unlit LCD characters even with the brightness dimmed, but dismissed it as normal. More recently, one preset on the radio started...

I have noticed that a few people have 'Auto dimming mirror' in the description of their cars - just wondered if this is something you have to have factory fitted or if you can do a retro fit? Thanks.