274. Brakes and warning device: Every self-propelled vehicle shall:
(1) be equipped with efficient brakes;
(2) be equipped with a warning device (siren).
The warning device shall be used in yards and in buildings when there are persons nearby and in areas presenting a risk, such as doors and around bends.
Subparagraph 2 of the first paragraph does not apply to tracked bulldozers and hauling machines.