Remove grill
Remove sidelight from side you need to change bulb on ( 1 X Philips serew on top on h/light)
Remove 4 X 10mm bolts ( 2 on grill side, 2 on sidelight side) Remove entire Morette light, change out offending bulb.
REPLACE in reverse order.
FUN, FUN, FUN!
Russell
ps - the above is a load of bollox if you have small hands as you can change out bulbs in-situ with small hands.