美国国家公路交通安全管理局正在调查Comma.ai，此前至少有五起撞车事故与其免手驾驶装置有关。
The National Highway Traffic Safety Administration is investigating Comma.ai after at least five crashes were linked to its hands-free driving device. :
华尔街日报
美国国家公路交通安全管理局在至少五起撞车事故与其免手驾驶装置有关后调查Comma.aiThe National Highway Traffic Safety Administration is investigating Comma.ai aft
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