California Code, Business and Professions Code - BPC § 13700

(a) “Automotive product” means engine coolant or antifreeze, prediluted engine coolant or prediluted antifreeze, brake fluid, transmission fluid, and diesel exhaust fluid.

(b) “* * * Transmission fluid” means a product intended for use in a motor vehicle as either a lubricant, coolant, or liquid medium in any type of transmission, or any other type of unit through which, or by which, force, energy, or power is transferred from a motor vehicle engine by hydraulic means to the driving assembly.Transmission fluid does not include manual transmission lubricant, as described in the latest revision of the SAE Information Report on axle and manual transmission lubricants, SAE International J308.

(c) “Brake fluid” means the fluid intended for use as the liquid medium through which force is transmitted in the hydraulic brake system of a vehicle operated upon the highways.

(d) “Carton” means the package or wrapping in which a number of containers are shipped or stored.

(e) “Container” means any receptacle in which a commodity is immediately contained when sold, but does not mean a carton or wrapping in which a number of receptacles are shipped or stored, or a tank car or truck.

(f) “Diesel exhaust fluid” or “DEF” means an aqueous urea solution used in selective catalytic reduction to lower oxides of nitrogen concentration in the exhaust emissions of diesel engines that meets the last version of International Organization for Standardization (ISO) specification for DEF.

(g) “Engine coolant” or “antifreeze” means any substance or preparation, regardless of its origin, intended to be diluted before use as the cooling medium in the cooling system of an internal combustion engine to provide protection against freezing, overheating, and corrosion of the cooling system, or any product intended to be diluted before use that is labeled to indicate or imply that it will prevent freezing or overheating of the cooling system of an internal combustion engine.

(h) “Label” means all written, printed, or graphic representations, in any form whatsoever, imprinted upon or affixed to any container referred to in this chapter.

(i) “Prediluted engine coolant” or “prediluted antifreeze” means any substance or preparation, regardless of its origin, intended or labeled for use at full strength as the cooling medium or as a top off in the cooling system of an internal combustion engine to provide or supplement protection against freezing, overheating, or corrosion of the cooling system.

(j) “Principal display panel” means that part of the label that is designed to most likely be displayed, presented, shown, or examined under normal and customary conditions of display and purchase.