Vehicle Code section 26505

A motor vehicle equipped with airbrakes or equipped to operate airbrakes on towed vehicles shall be equipped with a pressure gauge of reliable and satisfactory construction and maintained in an efficient working condition, accurate within 10 percent of the actual air reservoir pressure, and visible and legible to a person when seated in the driving position.

Source: Section 26505, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=VEH§ionNum=26505.­ (updated Jan. 1, 2011; accessed Jun. 30, 2025).

Green check means up to date. Up to date

Verified:
Jun. 30, 2025

§ 26505's source at ca​.gov