Texas Transportation Code
Sec. § 547.501
Audible Warning Devices

(a)

A motor vehicle shall be equipped with a horn in good working condition that emits a sound audible under normal conditions at a distance of at least 200 feet.

(b)

A vehicle may not be equipped with and a person may not use on a vehicle a siren, whistle, or bell unless the vehicle is:

(1)

a commercial vehicle that is equipped with a theft alarm signal device arranged so that the device cannot be used as an ordinary warning signal; or

(2)

an authorized emergency vehicle that is equipped with a siren, whistle, or bell that complies with Section 547.702 (Additional Equipment Requirements for Authorized Emergency Vehicles).

(c)

A motor vehicle operator shall use a horn to provide audible warning only when necessary to insure safe operation.

(d)

A warning device, including a horn, may not emit an unreasonably loud or harsh sound or a whistle.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Source
Tex. Legislature
Last accessed
Aug. 13, 2020
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