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:

    Loading
    The vehicle maximum load on the tire must not exceed the load carrying capacity of the tire on your vehicle. You will not exceed the tire’s load carrying capacity if you adhere to the loading ...

    Control Setting Suggestions for Various Weather Conditions
    ...

    Headlight Time Delay — If Equipped
    This feature is particularly useful when exiting your vehicle in an unlit area. It provides the safety of headlight illumination for about 90 seconds after turning the ignition switch to the LOC ...