Cal. VEH § 26521
This is the official text of Cal. VEH § 26521, part of California’s Vehicle Code — governs traffic laws, driver's licenses, and vehicle registration.
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Official statutory text
Motor vehicles required to be equipped with power brakes and equipped with vacuum or vacuum-assisted brakes and motor vehicles used to tow vehicles equipped with vacuum brakes or vacuum-assisted brakes shall be equipped with either an audible or visible warning signal to indicate readily to the driver when the vacuum drops to eight inches of mercury and less. A vacuum gauge shall not be deemed to meet this requirement.
This section shall not apply to a two-axle motor truck operated singly nor to any motor vehicle manufactured prior to 1964.
This section shall not apply to a two-axle motor truck operated singly nor to any motor vehicle manufactured prior to 1964.
Status: in_force · Read it on the official government site
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