How do you remove the wiper arm of a Volvo XC70?

I need to remove the wiper arm of a Volvo XC70. I got the nut off the end of the bolt, but the arm won't budge. Anyone know the trick to getting it off?|||Fold out the wiper arm and remove the wiper blade. Remove the protective cover from the nut. Put some tape around the arm that is above the painted surface (to protect the paint). Loosen the nut (do not remove it entirely - this will protect the threads).





Press the wiper arm downward (toward the hood) and tap it gently (just behind where the nut is). Use a plastic or rubber mallet.





Remove the nut and the wiper arm.