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Hey guys. Quick question: Is there a PennDOT or other law stating that vehicle horns need to have a designated tone? Or, is the only law regarding horns related to decibel ratings and placement (And not being a siren, bell, etc., as listed below)?

All I can find is:

PA Code:

Quote:

§ 175.106. Horns and warning devices.

(a) Condition of horns and warning devices. Components of a horn or warning device shall be in safe operating condition as described in § 175.110 (relating to inspection procedure).

(b) Horn and warning device requirements. A vehicle specified under this subchapter shall have a horn or other warning device which is audible under normal conditions at a distance of not less than 200 feet. No vehicle shall be equipped with a siren, bell, whistle or similar device emitting an unreasonably loud or harsh sound, except emergency vehicles and vehicles equipped with an antitheft device.

PA Inspection Code:

Quote:

§ 175.190. Inspection procedure.

(2) Check the horn and reject if any of the following apply:

(i) There is no horn or other acceptable audible warning device.

(ii) The horn or other warning device is not audible under normal conditions for a distance of not less than 200 feet.

(iii) A vehicle is equipped with a siren, bell, whistle or a device emitting harsh or unreasonably loud sound except emergency vehicles and vehicles equipped with an anti-theft device.

The reason I ask is that I really like the electronic horn sound over a normal horn. Debating a swap. Thanks!