Shell Zone Multi-Vehicle Extended Life Antifreeze and Coolant has been tested to be compatible with all automotive and light-duty truck antifreeze/coolant products in the market today. When used in a flush and refill service of the cooling system, the product will provide 5 years, or 150,000 miles, of service whichever occurs first. Shell Zone Multi-Vehicle Extended Life Antifreeze and Coolant not only guards against freezing and boil-over, but it also provides critical protection against corrosion forming on system components, including aluminum. Suitable in mixtures with all major coolant types for service fill, dilute Shell Zone Multi-Vehicle Extended Life Antifreeze and Coolant to desired freeze point with high-quality water before use. It is recommended for all automotive and light duty truck cooling systems not requiring the use of SCAs, regardless of color. For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owners manual