2010 Toyota Highlander Owners Manual - Page 472

4-3. Do-it-yourself maintenance Radiator and condenser Check the radiator and condenser, and clear any foreign objects. If either of the above parts are extremely dirty or you are not sure of their condition, have your vehicle checked by your Toyota dealer. CAUTION n When the engine is hot Do not touch the radiator or condenser as they may be hot and may cause burns. n When the electric cooling fan is operating Do not touch the engine compartment. Vehicles without smart key system: The electric cooling fans may keep rotating for about 3 minutes after the engine switch is turned to the "LOCK" position. With the engine switch in the "ON" position, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high. Be sure the engine switch is in the "LOCK" position when working near the electric cooling fan or radiator grille. Vehicles with smart key system: The electric cooling fan may keep rotating for about 3 minutes even after the "ENGINE START STOP" switch is OFF. With the "ENGINE START STOP" switch in IGNITION ON mode, the electric cooling fans may automatically start to run if the air conditioning is on and/or the coolant temperature is high. Be sure the "ENGINE START STOP" switch is OFF when working near the electric cooling fans or radiator grille. 4 Maintenance and care 447