Toyota unveils auto pilot cars

This photo taken on October 10, 2013 shows a journalist driving Japanese auto giant Toyota Motor's prototype model electric trike "i-Road", in Tokyo. Cars that drive themselves -- and avoid collisions -- could be on the market within a few years as the world's biggest vehicle maker showed off its latest automated driving technology.   AFP

This photo taken on October 10, 2013 shows a journalist driving Japanese auto giant Toyota Motor's prototype model electric trike "i-Road", in Tokyo. Cars that drive themselves -- and avoid collisions -- could be on the market within a few years as the world's biggest vehicle maker showed off its latest automated driving technology.   AFP

This photo taken on October 10, 2013 shows a Japanese auto giant Toyota Motor employee demonstrating the advanced driving support system "Automated Highway Driving Assist" in Tokyo. The two vehicles communicate each other, keeping their lane and following the preceding vehicle to maintain a safety distance. Cars that drive themselves -- and avoid collisions -- could be on the market within a few years as the world's biggest vehicle maker showed off its latest automated driving technology.   AFP

This photo taken on October 10, 2013 shows Japanese auto giant Toyota Motor demonstrating its "pre-collision system" which uses automatic steering in addition to automatic braking to prevent collisions, in Tokyo. Cars that drive themselves -- and avoid collisions -- could be on the market within a few years as the world's biggest vehicle maker showed off its latest automated driving technology.   AFP

This photo taken on October 10, 2013 shows Japanese auto giant Toyota Motor demonstrating the advanced driving support system "Automated Highway Driving Assist" in Tokyo. The two vehicles communicate each other, keeping their lane and following the preceding vehicle to maintain a safety distance. Cars that drive themselves -- and avoid collisions -- could be on the market within a few years as the world's biggest vehicle maker showed off its latest automated driving technology.   AFP

This photo taken on October 10, 2013 shows Japanese auto giant Toyota Motor demonstrating the advanced driving support system "Automated Highway Driving Assist" in Tokyo. The two vehicles communicate each other, keeping their lane and following the preceding vehicle to maintain a safety distance. Cars that drive themselves -- and avoid collisions -- could be on the market within a few years as the world's biggest vehicle maker showed off its latest automated driving technology.   AFP

This photo taken on October 10, 2013 shows Japanese auto giant Toyota Motor demonstrating the advanced driving support system "Automated Highway Driving Assist" in Tokyo. The two vehicles communicate each other, keeping their lane and following the preceding vehicle to maintain a safety distance. Cars that drive themselves -- and avoid collisions -- could be on the market within a few years as the world's biggest vehicle maker showed off its latest automated driving technology.   AFP

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