After partially faulting Tesla Inc.’s automation system for a 2016 fatal crash, U.S. safety investigators last year called on carmakers to do more to ensure drivers stay engaged as next-generation cars start to steer themselves. Since then, the National Transportation Safety Board has opened investigations of three new cases -- two of them involving Tesla vehicles -- that call into question the progress that’s been made in guarding against motorist misuse of semi-autonomous driving technology.
Tesla, a pioneer in driver-assistance technology with its Autopilot system, has lagged behind automakers including General Motors in embracing driver monitoring. While the electric-car maker still relies on technology that federal investigators said was too easy to sidestep, it’s now working on unspecified improvements to its vehicles, according to the NTSB.
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