American Petroleum Institute (API) Engine Oil Identification Symbol

Jeep Wrangler / Jeep Wrangler Owner's Manual / Maintaining Your Vehicle / Maintenance Procedures / Engine Oil / American Petroleum Institute (API) Engine Oil Identification Symbol

This symbol means that the oil has been certified by the American Petroleum Institute

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:

    Prepare For The Appointment
    If you’re having warranty work done, be sure to have the right papers with you. Take your warranty folder. All work to be performed may not be covered by the warranty. Discuss additional charg ...

    Power Mirrors
    The power mirror switch is located on the driver’s door trim panel. Power Mirror Switch 1 — Mirror Direction Control 2 — Left and Right Mirror Select ...

    Spare Tire Matching Original Equipped Tire And Wheel – If Equipped
    Your vehicle may be equivalent with a spare tire and wheel in look and function as the original equipment tire and wheel found on the front or rear axle of your vehicle. This spare tire may be us ...