2013 Toyota Venza Owners Manual - Page 774

5-2. Steps to take in an emergency STEP 4 After the engine has cooled down sufficiently, check the engine coolant level and inspect the radiator core (radiator) for any leaks. Engine coolant reservoir Radiator STEP 5 Add engine coolant if required. Water can be used in an emergency measure if engine coolant is unavailable. (→P. 486) Have the vehicle checked at the nearest Toyota dealer as soon as possible.