Sorry to hear about your unfortunate experience with the window tinting. I hope it gets resolved quickly and without any hassle. I just added your post to the consolidated list of members who've encountered this situation.
http://www.a5oc.com/forums/showthread.php/pics-s5-a5s-443/index.html?p=15271
http://www.a5oc.com/forums/showthread.php/pics-s5-a5s-443/index.html?p=15271