That's already the law. https://en.m.wikipedia.org/wiki/Electric_vehicle_warning_sounds https://en.m.wikipedia.org/wiki/Electric_vehicle_warning_sou... Blind

That's already the law. https://en.m.wikipedia.org/wiki/Electric_vehicle_warning_sounds https://en.m.wikipedia.org/wiki/Electric_vehicle_warning_sou... Blind people really need this sound and so the Leaf has a speaker, the VSP. It cuts out at about 25mph.