PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for HYBRID VEHICLES is a line of premium coolants specifically designed to match the technology and color requirements of Hybrid vehicles. Each coolant is formulated with the same corrosion inhibitor technology that protected your vehicle straight from the factory. Color cues on the packaging and a list of covered vehicles on the front label make it easy to identify the right match for your specific vehicle. PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for HYBRID VEHICLES - ORANGE is an extended life antifreeze/coolant based on proprietary state-of-the-art organic acid technology (OAT). The ethylene glycol-based formula represents a carefully balanced mixture of organic acid corrosion inhibitors for complete protection of Hybrid vehicle engines. PEAK ORIGINAL EQUIPMENT TECHNOLOGY ANTIFREEZE + COOLANT for HYBRID VEHICLES - ORANGE is free of silicate, borate, nitrite and amines, and is fully compatible with other extended life coolants. It meets the performance requirements of ASTM D3306, Ford WSS-M97B44-D/D2, Ford WSS-M97B57-A1/A2, GM9986100, GM6277M and GMW3420. When installed as part of a complete flush and coolant fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.