The relevant chapter does seem to be labelled "right of way": https://leginfo.legislature.ca.gov/faces/codes_displayText.x...
...but again it never grants the right of way to anyone. It only instructs people to yield if safe: https://leginfo.legislature.ca.gov/faces/codes_displaySectio...
before in https://leginfo.legislature.ca.gov/faces/codes_displaySectio....
> The provisions of Section 21806 shall not operate to relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons and property.
Although https://leginfo.legislature.ca.gov/faces/codes_displaySectio.... seems to exempt them from those regulations if on blue lights.
Given that 21807 only clarifies they are not "relieve"d from a duty, I'm hoping that duty is still present from a different location...