2014 Chevrolet Spark Owner Manual - Page 240

10-16 Vehicle Care 4. With the coolant surge tank pressure cap off, start the engine and let it run until you can feel the upper radiator hose getting hot. Watch out for the engine cooling fan. Check the level in the coolant surge tank when the cooling system has cooled down. If the coolant is not at the proper level, repeat Steps 1- 3 and reinstall the pressure cap. If the coolant still is not at the proper level when the system cools down again, see your dealer. 1. Remove the coolant surge tank pressure cap when the cooling system, including the coolant surge tank pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwise about one-quarter of a turn. If you hear a hiss, wait for that to stop. This will allow any pressure still left to be vented out the discharge hose. 2. Keep turning the pressure cap slowly and remove it. 3. Fill the coolant surge tank with the proper DEX-COOL coolant mixture to the indicated level mark. By this time, the coolant level inside the coolant surge tank may be lower. If the level is lower, add more of the proper DEX-COOL coolant mixture to the coolant surge tank until the level reaches the indicated level mark. 5. Reinstall the pressure cap tightly. Engine Overheating The vehicle has an indicator to warn of the engine overheating. See Engine Coolant Temperature Warning Light on page 5-18. If the decision is made not to lift the hood when this warning appears, get service help right away. See Roadside Assistance Program on page 13-5. If the decision is made to lift the hood, make sure the vehicle is parked on a level surface. Then check to see if the engine cooling fan is running. If the engine is overheating, the fan should be { Caution If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured.