2011 Toyota Sequoia Owners Manual - Page 1127

5-2. Steps to take in an emergency The engine has cooled down sufficiently. The engine coolant temperature gauge indicates C. 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. 629) Have the vehicle checked at your nearest Toyota dealer as soon as possible. 616