Carmakers say their increasingly sophisticated automated driving systems make driving safer and less stressful by leaving some of the hard work of knowing when a crash is about to happen—and avoiding it—to the machines. But new research suggests some of these systems might do the virtual opposite at the worst possible moment.A new paper from researchers at Ben-Gurion University of the Negev and the Japanese technology firm Fujitsu Limited demonstrates that when some camera-based automated driving systems are exposed to the flashing lights of emergency vehicles, they can no longer…