hi nigel. first remove the plastic cover on the inside on the car at the lights, then you will see to wing shaped screws remove these with your wheelbrace becarefull not to ring the heads, now the entire light houseing should come out, turn on the engine but your lights on and see witch one gone replace light bulb and refit houseing job done... do you now anything about the sun roof blind only one comeing out and its getting hot inside???
dave
June 2008