Montana Statutes
§ 61-9-401 — Horns, Security Alarms, And Warning Devices
61-9-401 . Horns, security alarms, and warning devices.
(1)A motor vehicle when operated upon a highway must be equipped with a horn in good working order and capable of emitting sound audible under normal conditions from a distance of not less than 200 feet. A horn or other warning device may not emit an unreasonably loud or harsh sound or a whistle. The driver of a motor vehicle shall when reasonably necessary to ensure safe operation give audible warning with the horn but may not otherwise use the horn when upon a highway.
(2)A vehicle may not be equipped with and a person may not use upon a vehicle a siren, whistle, or bell, except as otherwise permitted in this section.
(3)A vehicle may be equipped with a security alarm signal device that cannot be used by the driver as an ordinary
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Legislative History
En. Sec. 142, Ch. 263, L. 1955; R.C.M. 1947, 32-21-145 ; amd. Sec. 1, Ch. 503, L. 1985; amd. Sec. 26, Ch. 431, L. 1997.
Nearby Sections
15
§ 61-9-101
Application -- Exceptions§ 61-9-104
Required Obedience To Traffic Laws§ 61-9-105
Obedience To Peace Officers, Highway Patrol Officers, And Public Safety Workers -- Definition§ 61-9-201
When Lighted Lamps Are Required§ 61-9-203
Headlamps On Motor Vehicles§ 61-9-204
Taillamps -- Definition§ 61-9-206
Stop Lamps -- When Required