2010 Jeep Liberty Owner's Manual - Page 446

MAINTAINING YOUR VEHICLE 445 NOTE: Mixing engine coolant (antifreeze) types will decrease the life of the engine coolant (antifreeze) and • The manufacturer recommends using MOPAR Antiwill require more frequent engine coolant (antifreeze) freeze/Coolant 5 Year/100,000 Mile Formula HOAT changes. (Hybrid Organic Additive Technology) or equivalent. Cooling System Pressure Cap • Mix a minimum solution of 50% HOAT engine coolant The cap must be fully tightened to prevent loss of (antifreeze) and distilled water. Use higher concentracoolant, and to ensure that coolant will return to the tions (not to exceed 70%) if temperatures below 34°F radiator from the coolant recovery bottle. ( 37°C) are anticipated. The cap should be inspected and cleaned if there is any • Use only high purity water such as distilled or deionaccumulation of foreign material on the sealing surfaces. ized water when mixing the water/engine coolant (antifreeze) solution. The use of lower quality water will reduce the amount of corrosion protection in the engine cooling system. When adding engine coolant (antifreeze): Please note that it is the owner's responsibility to maintain the proper level of protection against freezing according to the temperatures occurring in the area where the vehicle is operated. 7