fix for wipers that park in upright position

This is common issue on these cars. Here's a link to a thread in the Buick Regal forums that addresses this problem. Usually the tab mentioned can be bent back a couple of times before it snaps off, which will require wiper crank arm replacement.

http://www.automotiveforums.com/vbulletin/showthread.php?t=767192

thanks for the info btaylor