Can't achieve the street lamp working for Hotpoint FF200T Fridge Freezer...? Just had my ripened fridge freezer replaced with a Hotpoint FF200T. ...

Just had my ripened fridge freezer replaced with a Hotpoint FF200T. I can catch the internal light working. I've read the instruction book from start to finish but there is one and only a small paragraph that isn't very clear. Anyone hold the answer?