Answer:
What goes with a car, comes with a car, is no use to a car but a car cannot move without it?
Golden treasure I contain, Guarded by hundreds and thousands. Stored in a labyrinth where no man walks, Yet men come often to seize my gold. By smoke I am overcome and robbed, then left to build my treasure anew
What is the thing that stays the same size, but the more it's used the more it decreases?
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen.
With head without hair. With mouth without tooth.
What language does a billboard speak?