PEAK® All Vehicles provides YEAR-ROUND ENGINE PROTECTION 10+ Years / 300,000 Miles Guaranteed Protection*.PEAK® All Vehicles Antifreeze + Coolant is formulated to protect all cooling system metals, including aluminum. It immediately protects against damaging rust and corrosion and is free of phosphates, borates, nitrites, silicates and amines.*10+ years/300,000 miles guarantee when a complete cooling system flush and fill is performed and proper cooling system maintenance is followed. Always follow vehicle owner’s manual for top-off requirements, change intervals and specified maintenance. See PEAKGuarantee.com for more details.