Pursuant to Section 26458, whenever a motor vehicle is equipped with an additional control to operate the brakes on a trailer, that control shall not be used in lieu of the service brake control, except in the case of failure of the service brake system.
Cal. Veh. Code § 26458.5
Operation of Brakes
Added by Stats. 1989, Ch. 316, Sec. 1.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.