2009 Toyota Tundra CrewMax Owners Manual - Page 512

4-3. Do-it-yourself maintenance n Coolant selection Only use "Toyota Super Long Life Coolant" or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite and non-borate coolant with long-life hybrid organic acid technology. U.S.A.: "Toyota Super Long Life Coolant" is a mixture of 50% coolant and 50% deionized water. (Enabled: -31°F [-35°C]) Canada: "Toyota Super Long Life Coolant" is a mixture of 55% coolant and 45% deionized water. (Enabled: -44°F [-42°C]) For more details about engine coolant, contact your Toyota dealer. CAUTION n When the engine is hot Do not remove the radiator cap. The cooling system may be under pressure and may spray hot coolant if the cap is removed, causing burns or other injuries. 4 NOTICE n When adding engine coolant Coolant is neither plain water nor straight antifreeze. The correct mixture of water and antifreeze must be used to provide proper lubrication, corrosion protection and cooling. Be sure to read the antifreeze or coolant label. n If you spill coolant Be sure to wash it off with water to prevent damage to parts or paint. Maintenance and care 485