California Code, Vehicle Code - VEH § 1656.3

(1) Rail transit safety.

(2) Abandonment or dumping of any animal on a highway.

(3) The importance of respecting the right-of-way of others, particularly pedestrians, bicycle riders, and motorcycle riders.

(4) A person's civil rights during a traffic stop.  The information shall address the extent and limitations of a peace officer's authority during a traffic stop and the legal rights of drivers and passengers, including, but not limited to, the right to file complaints against a peace officer.  The information to be included in the handbook shall be developed by the civil rights section of the Department of Justice in consultation with the Department of Motor Vehicles, the Department of the California Highway Patrol, the Commission on Peace Officer Standards and Training, and civil rights organizations, including community-based organizations.

(5) The requirement that a peace officer disclose the reason for a traffic or pedestrian stop before engaging in questioning related to a criminal investigation or traffic violation, unless the officer reasonably believes that withholding the reason for the stop is necessary to protect life or property from imminent threat, and the requirement for the officer to document the reason for the stop on any citation or police report resulting from the stop.