Lexus has already talked about a variety of impressive pre-crash safety systems for its upcoming LS flagship sedan (see our post on the LS 600h L), but so far it has all revolved around the front end of the luxury sedan. Toyota is now saying that the Japanese Domestic Market (JDM) version of the LS 460 will get a rear collision detection system, which is believed to be the first of its type in the world.

The system uses a rear-facing radar sensor to detect imminent rear collisions, and illuminates a warning lamp for the driver as it measures the position of the front seat passengers' heads and adjusts the position of the vehicle's headrests accordingly to help reduce the risk of whiplash neck injuries.

More information has also trickled out about the front-collision detection technology in the LS, with the automaker stating that the twin front-mounted "stereo" cameras will use infrared illuminators mounted in the headlamps to provide detection and ranging capabilities. Such a system will be capable of detecting pedestrians as well as vehicles, which will give it an advantage over radar-based systems (the Lexus has one of those, too).

[Source: Japan Times]

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