This is freakin sweet:

http://www.robots-dreams.com/2006/02/a_car_and_a_rob.html

(direct video link: http://robot-fan.net/spot/wmv/spot067.wmv)

Linky no worky.

There is also a streaming video link at the page, though if the direct video is down, the streaming one might also be overloaded.

On a somewhat related note, check out this amusing car commercial (it's an old video, but I hadn't seen it till today):

http://video.google.com/videoplay?docid=4740399201852391052&q=alive+with+technology