For her Masters show at the Camberwell School of Art, UK, Sarah Plescia created "tied up" her car with ropes! And yes, that's her real car.
http://www.bigartmob.com/view/733/ - Found at Big Art Mob, which is a "a mobile blogging site aiming to create the first comprehensive document of publicly available art in the UK (and,well, eventually the world)." - Thanks Alfie!