Coming Soon: Smarter Ways to Stop, Turn and Cruise
Jim Cossins, the chief engineer for braking systems at TRW Automotive, an international supplier, wove through congested traffic on a suburban freeway in Detroit recently — without touching the gas or brake — to demonstrate the Autocruise adaptive cruise-control system that is in the new $70,000 Volkswagen Phaeton.
With a radar unit hidden behind the front bumper, the Phaeton seamlessly adjusted to the speed of a decelerating commuter ahead. Then, when Mr. Cossins shifted to the next lane, the car accelerated briskly to its target speed, braking nimbly when a lawn-service truck cut into the flow.

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