Hi

I can't get my front passenger door undone so how do I go about removing the lock with the door closed.

In the guides sections;
 

 

 

Have you managed to remove the lock? I had similar on three locks on a 2007 Fabia and it was due to poor electrical contacts within the lock mechanism. In all cases I was able to thump the door near the lock while operating the central locking key and eventually the door unlocked. On one door I had to use a rubber mallet.