[nerdbert]

A traffic cone on the hood is not "malicious vandalism"; it doesn't cause any damage to the vehicle.

[mudx]

You could literally put a traffic cone between the doors, and it would prevent the elevator being able to go up and down until someone moved the cone—exactly the same as the car.

[nerdbert]

Yes, and that would constitute "being a nuisance" but not "malicious vandalism".