4 ms·
The NHTSA provides a rule set on determining if your horn is compliant: https://www.nhtsa.gov/sites/nhtsa.gov/files/documents/tp-141-00-draft-7.pdf https://www.
by colejohnson66 5y ago
The NHTSA provides a rule set on determining if your horn is compliant: https://www.nhtsa.gov/sites/nhtsa.gov/files/documents/tp-141-00-draft-7.pdf https://www.nhtsa.gov/sites/nhtsa.gov/files/documents/tp-141...