2013 Jeep Patriot Owner's Manual - Page 461

MAINTAINING YOUR VEHICLE 459 period, it is important that you use the same engine Please note that it is the owner's responsibility to maincoolant (antifreeze) throughout the life of your vehicle. tain the proper level of protection against freezing according to the temperatures occurring in the area where Please review these recommendations for using Organic the vehicle is operated. Additive Technology (OAT) engine coolant (antifreeze). NOTE: Mixing engine coolant (antifreeze) types is not When adding engine coolant (antifreeze): recommended and can result in cooling system damage. • We recommend using MOPAR௡ Antifreeze/Coolant Drain, flush, and refill as soon as possible to avoid 10 Year/150,000 Mile Formula OAT (Organic Additive damage if coolant types are mixed in an emergency. Technology). Cooling System Pressure Cap • Mix a minimum solution of 50% OAT engine coolant and distilled water. Use higher concentrations (not to The cap must be fully tightened to prevent loss of engine exceed 70%) if temperatures below −34° F (−37° C) are coolant (antifreeze), and to ensure that engine coolant (antifreeze) will return to the radiator from the coolant anticipated. recovery bottle. • Use only high purity water such as distilled or deionized water when mixing the water/engine coolant The cap should be inspected and cleaned if there is any (antifreeze) solution. The use of lower quality water accumulation of foreign material on the sealing surfaces. will reduce the amount of corrosion protection in the engine cooling system. 7