Oh please, do you expect us to believe that OS would be able to hop on a creeper and actually fit underneath the car that was up on ramps? It would take a hydrolic lift just to get him up again. 
No, and you're quite right, but a
LOT of the sensors on a vehicle are under the hood. The only ones I know of under the car are the O2 sensors, and they won't effect how a car runs, only its fuel mileage.