Coolant or antifreeze: Green or pink-colored liquid specifically designed to be used inside of the engine as a refrigerant.
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They are glycol-based liquids, which gives them anti-freezing properties. They have additives that stop corrosion and do not settle in the internal parts of the engine. They also elevate the boiling point and stop foam from forming.
Can not travel more than 5mi from a cold start (in winter) when the engine red overheating warning light comes on. Mechanic checked coolant level, basic function and replaced coolant fan clutch assembly. Problem still exists.