Yeah. And how do the sides come off - there's no obvious seams denoting that they can detach.Definitely a cool design, and a very silly scene.
The one thing that always bugged me was how implausible the shortening of the Batmobile interior is. What happened to the second seat? We don't see it eject from the vehicle at all. It just kinda disappears. How did the dashboard shorten in length and what happened to the rest of it? There's more but you get the idea