1) this is not a clever workaround, this is common sense. if you don't do this already, you're a terrible motorist and shouldn't be allowed to drive. 2) do hig

1) this is not a clever workaround, this is common sense. if you don't do this already, you're a terrible motorist and shouldn't be allowed to drive. 2) do high end cars have proximity sensors for this sort of thing yet? comparable to the way that large vehicles alert you if you're about to back into something.