A few years ago, concept cars were mostly about futuristic design features and new technology. This is still available today, but most automakers are including semi or fully autonomous driving systems in their show cars. This technology is supposed to become a production feature in 2021, and everyone is racing to get there first. Toyota is among those companies, and it just introduced an update to the LIDAR-equipped Lexus that it showed off twice in 2017. It’s still built around the old LS600hL — the Japanese firm launched a new LS last year — but it’s now called Platform 3.0 and comes with numerous upgrades.