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A comment on Why emergency braking systems sometimes hit parked cars and lane dividers. Parent comment

Re:Why emergency braking systems sometimes hit parked cars a... by octothorp3 on Saturday June 09, 2018 @11:00PM (#17276181)
Huh, most of these I can understand with my layman's understanding of the sensors involved, but why would it miss the pedestrians who are on a metal manhole cover?
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Re:Why emergency braking systems sometimes hit parked cars a... by TheSpiceIsLife on Saturday June 09, 2018 @11:32PM (#17276307)
Not a Toyota engineer familiar with the problem, but my guess is a metal object produces a radar reflection significantly different from a pedestrian.
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