It's more like having a separate eye you can direct your attention too. Perhaps like a spider might, with its extra sets of eyes? :D Edit: And yes, better not

It's more like having a separate eye you can direct your attention too. Perhaps like a spider might, with its extra sets of eyes? :D Edit: And yes, better not do that too much while driving. Although I do use this faculty when parallel parking, I imagine the car and surroundings looking down from the top and simulate the optimal parking approach.