電動汽車在低速時會人為產生噪音,為了讓行人能聽見,否則太安靜,容易被行人忽視。
為了安全。
Electric vehicle warning sounds.
Electric vehicle warning sounds are sounds designed to alert pedestrians to the presence of electric drive vehicles such as hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), and all-electric vehicles (EVs) travelling at low speeds.