Wave radar brings safer motoring for Lexus drivers

Lexus have introduced two new safety systems, Adaptive Cruise Control (ACC) and Pre-Crash System which can now be specified on LS430 models. Both use forward-facing wave radar technology to reduce the risk of accidents, a technology also employed in the firing systems fitted to Apache helicopters.ACC constantly maintains a safe distance from the vehicle in front, braking if a gap narrows and accelerating back to a set speed when safe. The radar, which is mounted in the grille, supplies information for throttle and brake adjustment via the Vehicle Stability Control (VSC) system. ACC also uses steering angle sensors to distinguish between cars moving in the same direction, parked cars and those approaching on the opposite side of the road. The Pre-Crash System uses the same radar technology. When sensors detect that an impact is inevitable VSC and air suspension are adjusted to maximise braking performance. At the same time, the seatbelt motors retract the front belts to ensure that driver and passenger are held securely in place.The new systems will be presented at the Paris Motor Show together with the launch of the new RX400h – the first performance hybrid SUV. The latest petrol-electric model from Lexus demonstrates that hybrid technology need not be a compromise between performance and economy. The RX400h can accelerate from rest to 62mph in 7.6 seconds, yet fuel consumption is equivalent to a typical family saloon with a four-cylinder petrol engine.Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)

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