Is PEAK Global LifeTime Antifreeze & Coolant compatible with other brands of extended life antifreeze?
Yes, PEAK Global LifeTime Antifreezes unique and patented technology is fully compatible with and can be used to top-off other extended life coolants including General Motors DEX-COOL and the new Ford and Chrysler extended life coolants. However, to realize the guaranteed LifeTime of cooling system protection provided by PEAK Global LifeTime Antifreeze, a complete cooling system flush and fill is required.