Lamp housing, rear
Open the panel.
Remove the insulation that is fitted in front of the bulb holder by pulling it straight out.
Press down the catch and pull out the bulb holder.
Remove the blown bulb by pressing it in and turning anticlockwise.
Fit a new bulb, press down and turn clockwise.
Press down the catch when the bulb holder is refitted.
Refit the insulation and panel.