We did this at both WDW and Universal, and it was always parked in a "back" lot somewhere (not always at the same resort). Always came back to us in the same shape it left us

. I'll never forget the one time at Univeral when they insisted the valet (who looked to be about 16 and 5'5") would take it and park it so we could be let off right at the door. He hopped up in the cab and his eyes got really big! He must have made it, though, since we got it back!
Terri