Whether it’s voluntary or enforced , it seems to be a safe bet that most electric vehicles will eventually break their silence in one way or another to warn nearby pedestrians — especially the blind. Chevrolet looks to be taking a slightly different approach than most with the Volt, however, and it recently tested out its system with a group of visually-impaired folks at its Milford Proving Grounds. Rather than simply making the vehicle sound like a regular car, Chevy has implemented a driver-activated system that emits what’s described as more of an “excuse me” sound than “hey you” sound whenever you want to warn people you’re approaching.
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Chevrolet Volt gets driver-activated warning system for the blind