"Alcoholic beverages that are packaged by this establishment are open containers and shall not be transported in a motor vehicle except in the vehicle's trunk or, if there is no trunk, the containers shall be kept in some other area of the vehicle that is not normally occupied by the driver or passengers. This does not include a utility compartment or glove compartment (See Vehicle Code Section 23225). Additionally, these beverages shall not be consumed in public or in any other area where open containers are prohibited by law."
Ca. Bus. and Prof. Code § 23401.5