2014 Chevrolet Sonic Owner Manual - Page 269
2014 Chevrolet Sonic Manual
Page 269 highlights
Vehicle Care 10-19 { Warning You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. 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. 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. 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. Replace the pressure cap tightly. 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. 1.4L Engine Shown, 1.8L Engine Similar 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 3. Fill the coolant surge tank with the proper DEX-COOL coolant mixture to the indicated level mark.
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