Make a car
that's upside down
and drives on a ceiling that generates and deteriorates right above it, and because I'm too lazy to draw an image, ASCII ART!
---------- <Isn't infinite, its like a floating square above it.
O O
\-----/
\ _ /Also no need to give it reverse gravity, all you gotta do is make the vehicle model on a square and flip it upside down and maybe some invisible and fake wheels.
