Is my ACC malfunctioning ?

[glocke12]

Twice yesterday during my commute home from work on a normal two lane highway I had the ACC engaged and set to provide the maximum distance between myself and the car in front of me.

I encountered two instances where a car was parked on the shoulder, well past the white line thats on the right side of the roadways and the braking system on the ACC engaged when it saw both of them. The second time scared the shit out of me because it dropped speed hard and fast.

Is this a malfunction or is this system just not good enough to discern between a car parked on the side of the road and a car that is in front of you ( I find that very odd if thats the case ).

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[rutsnext]

System should only brake if the vehicle was in your path. So either you were at a bend in the road that meant the parked vehicle was in front of you for a moment, or there’s something wrong. But there would be a question on whether there’s something wrong because if it’s reacting to vehicles parked in a lane to your right, you wouldn’t be able to drive down a two lane road in the left lane without the system reacting.

 

[glocke12]

System should only brake if the vehicle was in your path. So either you were at a bend in the road that meant the parked vehicle was in front of you for a moment, or there’s something wrong. But there would be a question on whether there’s something wrong because if it’s reacting to vehicles parked in a lane to your right, you wouldn’t be able to drive down a two lane road in the left lane without the system reacting.

good points. the parked vehicle was well to the right of the white line, but if I am remembering correctly it was on an area of the roadway that has a gentle curve so that could be it.

It was such a hard and fast deceleration that if anyone were following too closely or tailgating they very well could have rear ended me.

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