2012 Jeep Grand Cherokee Owner Manual SRT - Page 523

MAINTAINING YOUR VEHICLE 521 CAUTION! (Continued) • Operating the engine with the oil levels below the safe zone, or operating with oil levels that exceed the top of the safe zone may cause engine damage. The manufacturer recommends the use of a full synthetic SAE 0W-40 engine oil or equivalent. CAUTION! Do not use chemical flushes in your engine oil as the chemicals can damage your engine. Such damage is Change Engine Oil The oil change indicator system will remind you that it is not covered by the New Vehicle Limited Warranty. time to take your vehicle in for scheduled maintenance. Refer to "Maintenance Schedule" for further information. American Petroleum Institute (API) Engine Oil Identification Symbol NOTE: Under no circumstances should oil change This symbol means that the oil has intervals exceed 6,000 miles (10 000 km) or six months, been certified by the American whichever occurs first. Petroleum Institute (API). The manufacturer only recommends Engine Oil Selection API Certified engine oils. For best performance and maximum protection under all types of operating conditions, the manufacturer only recommends full synthetic engine oils that meet the American Petroleum Institute (API) categories of SM or SM/CF. 7