Mercedes-Benz's Distronic Plus system, for instance, contains radar-based sensors as part of its cruise-control system, to keep the car at a preset distance from the vehicle in front, braking automatically if the gap narrows quickly.
The revised adaptive cruise control system is now offered with Porsche Active Safe (PAS).
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Ford's outfitted the Fusion Energi with a dizzying array of driver-assist tech, including a lane-keeping system, adaptive cruise control, driver alert system, active park assist, rear camera, blind-spot indicator system with cross-traffic alert and pull-drift compensation (phew).
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The 2012 Audi A7 also offers an adaptive radar-based cruise control system that not only maintains a set speed and distance from the traffic ahead on the highway, it can operate as efficiently in stop and go traffic.
Fog lamps, halogen headlights with projector technology, rear park assist, AWD, cruise control, XM radio, traction control, daytime running lamps and a navigation system all come standard.
This advanced version of automatic cruise control works alongside a system that corrects the car when it drifts out of its lane.
Between the blind-spot monitoring system, the active lane-keeping, the adaptive cruise control (maintaining a set distance to the vehicle ahead), and the "precollision" system, which uses internal cameras to monitor drivers' faces for signs of inattention, the GS350 is about as close to an automated auto as you'll find on the market.
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High-tech options include adaptive cruise control, rear parking assist with cross-path detection and a lane departure system that not only alerts you if the vehicle drifts out of the lane, but gently guides you back between the lane markers.
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S-class is an example, with an onboard navigation system to map your route, radar to watch the road ahead and automatic cruise control.
The auto industry has intensified its research on how to link cruise control, steering, brakes and the cameras and sensors used for collision-avoidance systems into an integrated system able to guide a car safely.
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