Detach the panel on the inside of the tailgate by first turning the two knobs a quarter turn anticlockwise and then unhooking the panel. Place the panel to one side.
Lamp housing on left-hand side.
Undo the bulb holder by turning it anticlockwise and pulling it out.
Remove the blown bulb by pressing it in and turning anticlockwise.
Fit a new bulb by pressing it in and turning it clockwise.
Attach the bulb holder by turning it clockwise.
Hook on the panel and turn the knobs a quarter turn clockwise.