I wrote: > A vehicle following closely behind you does (or rather, should) not impede the side view mirrors. You wrote: > A car following closely behind you im

I wrote: > A vehicle following closely behind you does (or rather, should) not impede the side view mirrors. You wrote: > A car following closely behind you impedes the rearview mirror. These are different things. Rear is for viewing the lane you are in. Side is for viewing things to the rear and side of you.