2008 Lexus GX 470 Owners Manual - Page 367

4-3. Do-it-yourself maintenance CAUTION The engine compartment contains many mechanisms and fluids that may move suddenly, become hot, or become electrically energized. To avoid death or serious injury. n When working on the engine compartment l Keep hands, clothing, and tools away from the moving fan and engine drive belt. l Be careful not to touch the engine, inverter, radiator, exhaust manifold, etc. right after driving as they may be hot. Oil and other fluids may also be hot. l Do not leave anything that may burn easily, such as paper or rags, in the engine compartment. l Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel and battery fumes are flammable. l Be extremely cautious when working on the battery. It contains poisonous and corrosive sulfuric acid. n When working near the electric cooling fan or radiator grille Be sure the engine switch is in "LOCK". With the engine switch is in the "ACC" or "ON" position, the electric cooling fan may automatically start to run if the air conditioning is on and/or the coolant temperature is high. (→P. 329) n Safety glasses 4 Maintenance and care Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in the eyes. NOTICE n If you remove the air cleaner filter Driving with the air cleaner filter removed may cause excessive engine wear due to dirt in the air. Also a backfire could cause a fire in the engine compartment. 319