2012 Jeep Patriot Owner Manual - Page 422

420 MAINTAINING YOUR VEHICLE CAUTION! Do not overfill the engine. Overfilling the engine will cause oil aeration, which can lead to loss of oil pressure and an increase in oil temperature. This could damage your engine. Also, be sure the oil fill cap is replaced and tightened after adding oil. Engine Oil Selection For best performance and maximum protection for all engines under all types of operating conditions, the manufacturer recommends engine oils that are API Certified and meet the requirements of Chrysler Material Standard MS-6395. American Petroleum Institute (API) Engine Oil Identification Symbol Change Engine Oil This symbol means that the oil has The oil change indicator system will remind you that it is been certified by the American time to take your vehicle in for scheduled maintenance. Petroleum Institute (API). The Refer to the "Maintenance Schedule" for the proper manufacturer only recommends maintenance interval. API Certified engine oils. NOTE: Under no circumstances should oil change intervals exceed 8,000 miles (13 000 km) or six months, whichever occurs first.