replacing interior light on MK2 Punto sporting & Wing mirrior question

does anyone know how to remove the plastic light cover on the punto?
I don't want to force it or anything, but think the passenger side light
buld has blown adn need to replace it, also does anyont kow what kind of bulb it is, i.e. rating, size, etc and where to get a new one from in the UK
Also any tips on the little toggle for the wing mirrors, mine seems to want tp point down constatly!! i think one of the wires that conncts to the arm has popped out of it's hole or somethig and the rest are pulling it down.
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