GM vehicles under federal scrutiny after hundreds of reports
摘要
美国联邦政府正扩大对通用汽车公司部分车型的安全调查，因收到数百起刹车失灵报告。该问题涉及超110万辆汽车，涵盖多款通用电动车及为本田和讴歌生产的车型。故障源于线控制动系统（通用称之为eBoost），行驶中可能发生主轴断裂。通用称此情况下车辆仍应保留防抱死、牵引力控制等关键安全功能直至完全停止，但美国国家公路交通安全管理局缺陷调查办公室表示，收到的许多报告与之
The federal government is expanding a safety investigation into a number of vehicles manufactured by General Motors after receiving hundreds of reports of brake failure. The problem affects more than 1.1 million cars, including many of GM's electric vehicles, as well as ones it has built for Honda and Acura. The problem is with the brake-by-wire system (which GM calls eBoost), which can suffer a spindle fracture while driving.
GM says that in the event of that happening, the car should still retain a number of critical safety features—antilock brakes, traction control, and stability control—at least until it comes to a complete stop, at which point they become inoperable. But NHTSA's ODI says that it has received many reports that contradict this behavior and allege that eBoost failures are followed by an immediate loss of braking, which obviously poses a safety risk.
Indeed, NHTSA has received 227 incident reports, a number that grows to 745 once you include the hundreds of occurrences reported to GM. Twenty-two cases resulted in crashes, and while six people have been injured in five crashes, thankfully there have been no fatal incidents.
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