2011 Toyota Yaris Owners Manual - Page 361

5-2. Steps to take in an emergency The engine has cooled down sufficiently. Low engine coolant temperature indicator comes on. Check the engine coolant level. Look for obvious coolant leaks from the radiator, hoses and under the vehicle. Note that water draining from the air conditioning is normal if it has been used. Add engine coolant if required. Water can be used in an emergency if engine coolant is unavailable. (→P. 343) Have the vehicle checked at your nearest Toyota dealer as soon as possible. 330