How do I remove/replace 2007 Ford Ka Wing Mirror?

Took off the triangular trim inside of the windows only to comensure across a plastic bolt cover. I removed the screw holding it in place but how do I get it off?
Connor Stockton, November 2016


done
From the Google search results you could have got for yourself:

http://forums.moneysavingexpert.com/showthread.php?t=5099645

https://uk.answers.yahoo.com/question/index?qid=20090109130827AAJyUqL

http://www.justanswer.com/uk-ford/3wigc-someone-knocked-driver-s-side-wing-mirror-2007.html?rpt=1022

bel, November 2016
link Click here to see other fixes for Ford KA.