American Petroleum Institute (API) Engine Oil Identification Symbol

Jeep Grand Cherokee / Jeep Grand Cherokee Owners Manual / Maintaining your vehicle / Maintenance Procedures / Engine Oil / American Petroleum Institute (API) Engine Oil Identification Symbol

This symbol means that the oil has

This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacturer only recommends API Certified engine oils.

CAUTION!
Do not use chemical flushes in your engine oil as the chemicals can damage your engine. Such damage is not covered by the New Vehicle Limited Warranty.

    See also:

    Synthetic Engine Oils
    You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. ...

    Jacking And Tire Changing
    WARNING! • Do not attempt to change a tire on the side of the vehicle close to moving traffic. Pull far enough off the road to avoid the danger of being hit when operating the jack or changi ...

    Required Maintenance Intervals
    Refer to the Maintenance Schedules on the following pages for the required maintenance intervals. WARNING! • You can be badly injured working on or around a motor vehicle ...