The factory-fill engine coolant for a 2012 Kia Soul is typically green or sometimes a yellowish-green. This coolant is based on Inorganic Additive Technology (IAT) and is generally phosphate-based. It’s crucial to use the correct type of coolant to prevent corrosion within the cooling system and maintain optimal engine temperature.
Maintaining the proper coolant level and using the correct formulation protects vital engine components from damage caused by overheating or freezing. Using the incorrect coolant can lead to chemical reactions that degrade the cooling systems effectiveness, potentially leading to expensive repairs. Historically, IAT coolants were the standard, but newer Organic Acid Technology (OAT) and Hybrid Organic Acid Technology (HOAT) coolants have become more prevalent in more recent vehicle models. While mixing coolants is generally discouraged, in an emergency situation, a small amount of another type of coolant can be used until the correct type can be obtained. However, a full coolant flush and refill with the correct type should be performed as soon as possible.
