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I suspect that's what happened to my mother. She was caught in a pile-up when a car suddenly braked hard for no reason: straight line, no obstacles, full visibi
by GuB-42 5y ago
I suspect that's what happened to my mother. She was caught in a pile-up when a car suddenly braked hard for no reason: straight line, no obstacles, full visibility. The front driver said (honestly or not) that he didn't understand why his car did that.
The good news is that her passive safety systems worked fine and she came out unharmed except for minor burns and bruises caused by the airbag.
I've also experienced unwanted braking in cars with an auto-brake system. Nether in a situation where it could be dangerous, thankfully, but it is clear that the system is not 100% reliable.
- avianlyric 5y agoAuto-braking systems only operate a low speeds (below 15mph I think). There’s also the emergency brake assist systems that do operate a speed. They use front facing radar to detect objects you might be about to collide with, and increase the brake pressure assistance, so you still need to physically press the brake. But if the car thinks you won’t stop in time, then it’ll multiply your break input to try and bring the car to a holt fast enough. But, you need to provide the initial brake input, they won’t fire alone.