2012 Jeep Grand Cherokee Owner Manual SRT - Page 538

536 MAINTAINING YOUR VEHICLE Adding Coolant • Mix a minimum solution of 50% HOAT engine coolant Your vehicle has been built with an improved engine (antifreeze) and distilled water. Use higher concentracoolant (antifreeze) that allows extended maintenance tions (not to exceed 70%) if temperatures below Ϫ34°F intervals. This engine coolant (antifreeze) can be used up (Ϫ37°C ) are anticipated. to 5 Years or 102,000 miles (170 000 km) before replace• Use only high purity water such as distilled or deionment. To prevent reducing this extended maintenance ized water when mixing the water/engine coolant period, it is important that you use the same engine (antifreeze) solution. The use of lower quality water coolant (antifreeze) throughout the life of your vehicle. will reduce the amount of corrosion protection in the Please review these recommendations for using Hybrid engine cooling system. Organic Additive Technology (HOAT) engine coolant Please note that it is the owner's responsibility to main(antifreeze). tain the proper level of protection against freezing acWhen adding engine coolant (antifreeze): cording to the temperatures occurring in the area where • The manufacturer recommends using MOPAR௡ the vehicle is operated. Antifreeze/ Coolant 5 Year/100,000 Mile Formula NOTE: Mixing engine coolant (antifreeze) types will HOAT (Hybrid Organic Additive Technology) or decrease the life of the engine coolant (antifreeze) and equivalent. will require more frequent engine coolant (antifreeze) changes.