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This should help you understand the problem of higher vehicles limiting visibility of what's in front of them: https://imgur.com/a/aYbCbyg

To add to this, an M1 Abrams tank and a Peterbilt 857 semi have better visibility than some SUVs and pick-up trucks:

Modern vehicles beep like crazy with sensors when something is in front of the car like that though. It is impossible not to know.