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A comment on Tesla Model S adaptive cruise control crashes into van. Parent comment

Re:Tesla Model S adaptive cruise control crashes into van by outworlder on Thursday May 26, 2016 @06:41PM (#11782267)
It did. The first car in the lane to encounter an obstacle will have no trouble avoiding it. The driver probably saw the obstacle from very far away.

However, if you, the human, are following said car, you may have fractions of a second to react, after the car moves out of the way and you can finally see the obstacle.

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Re:Tesla Model S adaptive cruise control crashes into van by Treblemaker on Thursday May 26, 2016 @11:29PM (#11783709)
Granted that with certain exceptions, such as following a large van or truck, it is not possible, but good defensive driving means _also_ paying attention to what's in front of the car in front of you. I often react to things before the driver in front of me does (which means I'm not reacting as abruptly, which means the knucklehead 20 feet behind me also doesn't hit me).

EDIT after watching the gif; yeah, this was pretty much the opposite case: big van stopped, clearly visible over the compact car in front. Gross negligence on the part of the driver to not see this and respond _before_ the car did.

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