Owners Manual
Page 404
...temperature. However, if the level is cold. Visually check the radiator, hoses, engine coolant filler cap, radiator cap and drain cock and water pump. The coolant level in the system. Always use ethylene-glycol type coolant for a proper corrosion protection of aluminum components. See information in... the cooling system. 384 If you can find no leak, have your Lexus dealer test the cap pressure and check for a proper corrosion protection of aluminum components. The coolant level is satisfactory if it is low...
...temperature. However, if the level is cold. Visually check the radiator, hoses, engine coolant filler cap, radiator cap and drain cock and water pump. The coolant level in the system. Always use ethylene-glycol type coolant for a proper corrosion protection of aluminum components. See information in... the cooling system. 384 If you can find no leak, have your Lexus dealer test the cap pressure and check for a proper corrosion protection of aluminum components. The coolant level is satisfactory if it is low...