Cars are supposed to be smarter than ever these days, but safety experts are calling for new standards to better determine the accuracy of the latest driver-assistance tech. The move comes after they found cars are misreading road signs or displaying the wrong speed limit as much as a quarter of the time.
Intelligent speed assist (ISA) is one of the several advanced driver-assistance systems that the European Union has required be fitted to every new car sold on the continent since 2024, as part of its GSR2 safety regulations. Its job is to communicate the prevailing speed limit to the driver and alert them when it changes, using built-in cameras to read road signs and/or GPS data. The aim is to reduce collisions and injury by getting people to stay within the posted speed limit.
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