> Whose first instinct after possibly running over something is to back up? It's pretty common. You're manoeuvring your vehicle, you hear a noise, you think yo

> Whose first instinct after possibly running over something is to back up? It's pretty common. You're manoeuvring your vehicle, you hear a noise, you think you bumped a post or something and instinctively try to "undo" what you just did.