American Petroleum Institute (API) Engine Oil Identification Symbol

Jeep Liberty / Jeep Liberty 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:

    Window Fogging
    Interior fogging on the windshield can be quickly removed by turning the mode selector to Defrost. The Defrost/Floor mode can be used to maintain a clear windshield and provide sufficient heating. ...

    Intermittent Wiper System
    Use the intermittent wiper when weather conditions make a single wiping cycle, with a variable pause between cycles, desirable. Rotate the end of the lever to the first detent position for one of ...

    Engineering
    Jeep Wrangler delivers unmatched off-road capability with legendary four-wheel drive and is produced with more than seven decades of 4x4 engineering experience behind it. Wrangler continues to off ...