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Our acoustic vehicle alert system is an essential safety device for electric and hybrid vehicles. In the era of quiet electric and hybrid propulsion, it addresses the issue of low noise at low speeds. It functions to emit an audible signal, ensuring the safety of pedestrians and other road users by alerting them to the approaching vehicle.
link:https://www.ev-components.com/avas-automotive/acoustic-vehicle-alert-system.html
Acoustic Vehicle Alert System