A feature in all-wheel driver vehicles, HDC assists drivers when negotiating a steep downhill route.

作为四轮驱动汽车的一项功能，HDC可以辅助驾驶员通过一个陡峭的下坡路。

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The driver follows the directions and makes turns based on sounds that the steering wheel makes when it is turned.

VOA: special.2009.11.03

But Phnom Penh has its cyclo - a three-wheeled bicycle with the driver perched on high above the rear wheel, and the passengers in a bucket seat slung between the two front wheels.

VOA: standard.2010.06.14

With the increasing use of technology and smartphones behind the wheel, driver distraction has become a concern.

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The speed-sensitive electric power steering may be a bit lighter feeling than it is in some other sporty sedans or wagons, but it provides sufficient feedback to the driver through the wheel.

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In fact, a recent survey of teens revealed that while 87 percent of teen passengers would speak up to ask a driver to refrain from getting behind the wheel after drinking, only 72 percent of teen passengers would do the same for a driver who has used marijuana.

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