#1 lift the wiper arm up off the windscreen so it stays upright


#2 Press in the 2 retaining "wing's"
1.JPG

2.JPG

#3 Lift the wings away from the bracket
3.JPG


#4 Pull up slightly to unhook from the top "peg"
4.JPG

5.JPG



link to a video showing the steps:

https://www.fiatforum.com/gallery/showphoto.php?photo=44176&ppuser=16366

it can take a couple of minutes to play from that link so be patient ;)