Is it legal to modify the horn of a sedan?

1 Answers
StDominic
07/29/25 1:26pm
Modifying the horn of a sedan is illegal, as it constitutes unauthorized vehicle modification, and the vehicle will not pass the annual inspection. The regulations for vehicle annual inspection are as follows: 1. For passenger vehicles used for commercial purposes, inspections must be conducted once a year within the first 5 years, and every 6 months thereafter; 2. For cargo vehicles and large or medium-sized non-commercial passenger vehicles, inspections must be conducted once a year within the first 10 years, and every 6 months thereafter. The items inspected during the annual inspection include: 1. Checking whether the engine, chassis, body, and their attached equipment are clean, complete, and functional, whether the paint is uniform and aesthetically pleasing, whether major assemblies have been replaced, and whether they match the initial inspection records; 2. Verifying whether the vehicle's braking system, lights, exhaust, and other safety features comply with relevant regulations; 3. Checking whether the vehicle has undergone modifications, alterations, or transformations, and whether the registration details on the driving license, license plate, and vehicle records match the actual condition of the vehicle; 4. Inspecting whether the license plate, driving license, and enlarged license plate markings on the vehicle are damaged, altered, or illegible, and whether they need replacement.
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