(a)
Unless otherwise directed by a bicycle signal as provided in Section 21456.3, an operator of a bicycle shall obey the provisions of this article applicable to the driver of a vehicle.(b)
Whenever an official traffic control signal exhibiting different colored bicycle symbols is shown concurrently with official traffic control signals exhibiting different colored lights or arrows, an operator of a bicycle facing those traffic control signals shall obey the bicycle signals as provided in Section 21456.3.
Source:
Section 21456.2, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=VEH§ionNum=21456.2..