What's the 2018 hyundai tucson coolant type?

The coolant or antifreeze that is recommended for the 2018 Hyundai Tucson is listed by the factory specs as Phosphate Organic Acid Technology. Red/Pink Extended Long Life for Asian Vehicle 50/50 mixture. The coolant is not used for actual cooling the engine but it is used to stop rust formation inside the coolant system and lower the freezing temperature. The differences in the coolant ingredients are made because engine blocks are made of different metals and will require different chemicals to stop the rust formation on hose metals. It is always recommended that You flush Your coolant system every five years or every 100,000 miles. This the the newer longer lasting coolant as before there was only one form of coolant it and it would last about 3 years or 24,000 to 36,000 miles.