ECU supervise the system function, light the fault indicator to alert driver when any error.

ECU对系统的功能进行监控，如果发现故障，将点亮系统故障指示灯，提示驾驶员系统有故障。

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The odds of being involved in an ROR crash for a sleepy driver are three times as high as those for a driver who is alert.

让一个瞌睡的司机来驾车，那么发生ROR撞车事故的可能性是一个警醒状态司机的3倍。

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And in Europe, BMW and Mercedes-Benz recently introduced navigation hardware that can not only plot out a route, but alert a driver to traffic jams.［419 words］

欧洲的宝马和奔驰汽车公司最近引进了一种导航硬件，它不仅能够规划路线而且可以提醒驾驶者注意交通堵塞。

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When the system recognises that a lane departure is imminent, it bleeps or flashes to alert the driver.

ECONOMIST: Motoring

Cars on the roads can already park themselves, brake automatically and alert a driver if they are slipping out of a lane.

BBC: Will driverless cars mean computer crashes?

The actuators combined with signal information from the sensors can alert the driver to potential dangers, and help with things like parking or staying within highway lane markings.

FORBES: Think How Much Smarter Your Car Will Be In A Few Years