2014 Chrysler 300 Owner Manual - Page 544

542 MAINTAINING YOUR VEHICLE • Mix a minimum solution of 50% OAT engine coolant NOTE: that meets the requirements of Chrysler Material Stan- • Some vehicles require special tools to add coolant dard MS-12106 and distilled water. Use higher concenproperly. Failure to fill these systems properly could trations (not to exceed 70%) if temperatures below lead to severe internal engine damage. If any coolant is −34° F (−37° C) are anticipated. needed to be added to the system please contact your local authorized dealer. • Use only high purity water such as distilled or deionized water when mixing the water/engine coolant • Mixing engine coolant (antifreeze) types is not recom(antifreeze) solution. The use of lower quality water mended and can result in cooling system damage. If will reduce the amount of corrosion protection in the HOAT and OAT coolant are mixed in an emergency, have engine cooling system. a authorized dealer drain, flush, and refill with OAT coolant (conforming to MS-12106) as soon as possible. Please note that it is the owner's responsibility to maintain the proper level of protection against freezing ac- Cooling System Pressure Cap cording to the temperatures occurring in the area where The cap must be fully tightened to prevent loss of engine the vehicle is operated. coolant (antifreeze), and to ensure that engine coolant (antifreeze) will return to the radiator from the coolant recovery tank.