RW ei6 chassis both bottles add antifreeze both?

Rongwei ei6 chassis two bottles are added antifreeze two are added. Antifreeze need 6 liters to 7 liters, use antifreeze to use the same brand antifreeze, pay attention to the shelf life of antifreeze, avoid water use. Try to use the same brand antifreeze, brand antifreeze used by the metal corrosion inhibitor is not the same, different brands of antifreeze can not be mixed. Antifreeze is valid for two years, add the product should be confirmed within the validity period, replacement should be released when the old liquid, the cooling system will be cleaned, and then replaced with a new liquid.