If they still made cars properly; as in, designed to be a multi-ton death machines they actually are, surrounded by others in multi-ton death machines, you'd be able to see out of the windows, and wouldn't need a camera.
My GX got the damn Toyota frame rot, so I've been shopping for a cheap snow 4x4.
Some back alley auto finance place had a '92 Landcruiser for sale with new mud tires and a pre-runner bumper for under $3k...naturally I took it for a test drive.
You can see everywhere outta that thing. Almost makes a D1 seem obstructed.
That 6 cylinder is one sloooooooow dog though...