Why Doesn't the Horn of a New Energy Vehicle Work?
2 Answers
Check whether the battery voltage is normal. Automobile License Plate Management Regulations: According to the national new energy vehicle license plate management regulations, if a motor vehicle is classified as a new energy vehicle, only new energy license plates can be issued when handling registration, transfer, and other registration procedures, and blue license plates cannot be issued. For new energy vehicles that already have blue license plates, they can continue to use the blue license plates or choose to apply for new energy vehicle license plates. Introduction to New Energy Vehicles: New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources, or conventional vehicle fuels with new vehicle power devices, integrating advanced technologies in vehicle power control and driving, forming vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include hybrid electric vehicles, fuel cell electric vehicles, pure electric vehicles, and other new energy vehicles.
As a long-time driver of new energy vehicles, I've encountered the issue of a non-functioning horn several times. The most common problem is aging or damage to the horn itself, where internal component wear prevents sound production—this occurs more frequently in humid conditions, such as after rain when water ingress causes short circuits. Another major cause is blown fuses or poor wire connections, and bugs in the complex electronic systems of electric vehicles, like battery management and control units, can also affect the horn circuit. Once on the highway, my horn suddenly failed, and it turned out to be an intermittent fault caused by a failed software update. It's crucial to promptly visit a professional repair shop for inspection—don't underestimate this issue, as it can be life-saving in critical moments during urban traffic congestion or on pedestrian walkways. The silent design of electric engines is environmentally friendly, but the lack of horn sound makes it harder for pedestrians and cyclists to detect danger. Therefore, I recommend testing the horn monthly and avoiding prolonged exposure to rain to prevent rust, thereby extending its lifespan and reducing accidents.