A specific engine coolant formulation is engineered for use in Toyota vehicles, characterized by its extended service interval compared to conventional coolants. This formulation typically employs organic acid technology (OAT) and is often dyed pink or red for easy identification. It provides freeze protection, boil-over protection, and corrosion inhibition within the engine’s cooling system.
The utilization of such an extended-life coolant contributes to reduced maintenance requirements, potentially lowering long-term vehicle operating costs. Its corrosion inhibitors are formulated to protect various metals commonly found in engine cooling systems, including aluminum, steel, and cast iron. The development and implementation of this coolant type represent advancements in automotive fluid technology, aimed at improving vehicle reliability and durability.