In a typical four-wheel vehicle, the driver is able to see between the rows of seats. The Elio on the other hand has tandem seating — one seat in the front and one seat in the back. Therefore, the headrest has to be high enough to accommodate safety restraints. This in effect makes the rear glass obsolete as imagine sitting in your current vehicle and lowering the sun visor. What do you see? Due to the position of the vanity mirror being where our “rear view mirror” would typically be, all you would see is your own smiling face.