I have a 2015 Honda accord with 110,000 miles. I just bought it and today I checked that my coolant levels are low. Before I add more coolant however I am wondering if I need to flush out the old coolant before adding this new one to make sure there isn't any mishaps with mixing and possible corrosion down the line. Before taking these steps however. I want to see what you all think is the best course of action.