DETROIT – Wary of the problems that appear to have caused the fatal crash of a Tesla Model S running in semi-autonomous mode, General Motors wants to take a bit more time before rolling out its own Supercruise system.

That should allow GM to be much more confident that the technology will work as planned, said Mark Reuss, General Motors’ global product development chief. Among other things, once Supercruise makes its debut on the Cadillac CT6 sedan, it will feature a retinal recognition system designed to make sure that a driver is paying attention to the road, even if their hands aren’t on the wheel.

The May 9th Tesla crash appears to have been the result of a system malfunction that failed to recognize when a truck turned in front of the Model S sedan. But there are also some indications the 40-year-old driver was distracted, possibly watching a video on a laptop computer, rather than acting as a human backup to the Autopilot system.

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