For about $150, Toyota will accouter the Japanese Prius with a Approaching Vehicle Audible System. According to the automaker, the technology is "designed to accommodated new Japanese Ministry of Land, Infrastructure, Transport, and Tourism guidelines for amalgam and added near-silent vehicles." Expect the arrangement to extend to added hybrids from Toyota and apparently to countries alfresco Japan in time.
Anyone absorbed in authoritative their third-gen Prius complete like a prop from Close Encounters of the Third Kind are encouraged to watch the Japanese-market video afterwards the break. We're not activity to casting a vote absolutely yet as to whether or not these systems are a acceptable or bad idea, but we will say this: If we heard that babble advancing at us from behind, you can bet we'd be hasty to get out of the way.