The rear fog light is only fitted on the driver's side.
Loosen the foglight unit on the driver's side by inserting a flat object, such as a table knife or a screwdriver, on the bulb kit's narrower short side of the keypad and then prize the foglight unit out.
Unplug the connector.
Undo the bulb holder by turning it anticlockwise and pulling it out.
Remove the 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.
Plug in the connector.
Insert the hook on the wide part of the foglight unit in the rear bumper and rotate the unit inwards so that the clips engage.