2009 Toyota Prius Owners Manual - Page 482

OM47614U_PRIUS_U.book Page 456 Monday, January 11, 2010 11:02 AM 5-2. Steps to take in an emergency CAUTION n To prevent an accident or injury when inspecting under the hood of your vehicle l If steam is seen coming from under the hood, do not open the hood until the steam has subsided. The engine compartment may be very hot, causing serious injury such as burns. l Keep hands and clothing away from the fan and engine drive belt while the hybrid system is operating. l Do not loosen the radiator cap while the hybrid system 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 hybrid system has cooled down before adding engine/inverter coolant. When adding coolant, do so slowly. Adding cool coolant to a hot hybrid system too quickly can cause damage to the hybrid system. 456 PRIUS_U_(OM47614U)