So what your telling me is that your not allowed to set the mirrors any other way only on the pivot or rear duals? Let me ask you this when backing are you able to see the sidewalk? I would say just before you see the sidewalk stay turning the wheel but you must watch your front side make sure you don't make contact with anything by the front door. If done correctly you should be able to align the bus along the sidewalk. I hope im making sense is actually an instinctual thing once you get it. I hope this helps
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