2008 Toyota Yaris Owners Manual - Page 737

5-2. Steps to take in an emergency n Overheating If you observe the following, your vehicle may be overheating. l The high engine coolant temperature warning light flashes or comes on or a loss of power is experienced. l Steam is coming from under the hood. CAUTION n To prevent an accident or injury when inspecting under the hood of your vehicle l Keep hands and clothing away from the fan and other belts while the engine is running. l Do not loosen the radiator cap while the engine and radiator are hot. Serious injury, such as burns, may result from hot coolant and steam released under pressure. NOTICE n When adding engine coolant Wait until the engine has cooled down before adding engine coolant. When adding coolant, do so slowly. Adding cool coolant to a hot engine too quickly can cause damage to the engine. 322