A new study by the Insurance Institute for Highway Safety (IIHS) Highway Loss Data Institute (HLDI) found little evidence that partial automation systems prevent collisions.
The study was first done in 2021 on BMW and Nissan vehicles. The vehicles had been on the road for several years, according to HLDI.
The studied vehicles range from five to 11 years old, and newer partial automation systems may be more effective from a safety perspective; however, the many years of data for these vehicles make the findings more compelling, IIHS said.
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