Yeah. I also think the car should be 'z' shaped. I'd like to look out the window at it while I'm eating z cereal and wearing my z pajamas.
If it's a movie file stored in writable memory (or the HD) you might be able to overwrite it with another movie file if you're hacky hackerton. I mean, I'd assume it's a movie file in the way that the Nissan logo is revealed. I doubt that the logo reveal is done programmatically.