Seat Leon rear wiper removal???

Hi I have a Seat Leon 1.6S Mk1 05 plate. I'm having trouble removing the rear wiper arm as it seems to be set in place or maybe someone glued it in place because the damn thing wont budge. Does anyone have any advice as to what to do because this seems harder than it should be as I haven't removed it after 2 long attempts?

Thanks for the suggestions guys. The damn thing still hasn't come off with trying everything said. It's really well stuck and think I'll try a tool on it. Stupid guys at VW where I live said "it should just come straight off, that's weird!"....shows how much they know

Thank you again people. My dad used to have a tool like that for pushing brake pistons back, can't find the damn thing now I'm sure I had it somewhere.

Will go to garage tomorrow as the guy there sorted my Leon out with its 18" TT/RS8 wheels and also it's service this year. I need to get some pics up of it really.

Anyone know how you would fit a shark fin aerial too? bit fed up of the huge standard one haha

bit of a thread revival... but done this today, and over tightened the nut when putting the new fabia arm back on, and snapped it. be gentle unlike me!