I like my cars to be clean but find that they are constantly covered in small brown spots. I can't get them off easily even with repeated washing. Local hand car wash does a reasonable job but still some remain, they tell me it comes from trees. They come off with a fingernail easy enough but there are hundreds of them over the screen and bodywork. Recently had my conifers lopped if that is of any relevance.
Has anyone else experienced this or can offer advice on removal.
Well if it helps, and if anybody is interested, I hung a piece of wall lining paper above the bonnet of my car and couldn't find any marks on it until realised that the colour of the paper was an exact match for woodworm poo!