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Siren, whistle, or bell prohibited.

Seattle Mun. Code § 11.84.340
in effect
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11.84.340 - Siren, whistle, or bell prohibited. No vehicle shall be equipped with nor shall any person use upon a vehicle any siren, whistle, or bell, except as otherwise permitted in this chapter: Provided, that it is permissible for any vehicle to be equipped with a theft alarm signal device so long as it is so arranged that it cannot be used by the driver as an ordinary warning signal. Such a theft alarm signal device may use a whistle, bell, horn, or other audible sound but shall not use a siren: Provided further, that it is permissible to equip a vehicle with a bell that gives warning either when the vehicle is backing up or when the emergency brake system releases. (RCW 46.37.380(2), (3)) (Ord. 108200, § 2(11.84.340), 1979.)
Source: City of Seattle, Seattle Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/wa/seattle/codes/municipal_code?nodeId=TIT11VETR_SUBTITLE_ITRCO_PT8EQRE_CH11.84BRMIEQ_11.84.340SIWHBEPRFetched: 11/1/2026

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11.84.340 | Corpus