Should snap back into place, you'll need to carefully take out the lense and bracket and carefully find a suitable tool to just hook over the edge and gently pull back towards you.
I had the same problem a few years ago and it worked for me
![happy2 :happy2:](https://www.mk5golfgti.co.uk/forum/Smileys/newsmileys/happy2.gif)
Just a tip, put some cloth over what ever you use as the silver will scrape away quite easily if you have bare metal against it. As i found out the hard way
![Sick :sick:](https://www.mk5golfgti.co.uk/forum/Smileys/newsmileys/sick0020.gif)