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:

    Cleaning Headlights
    Your vehicle has plastic headlights that are lighter and less susceptible to stone breakage than glass headlights. Plastic is not as scratch resistant as glass and therefore different lens cleani ...

    Radio FM
    To switch to the FM band, say “FM” or “Radio FM”. In this mode, you may say the following commands: • “Frequency #” (to change the frequency) • “Next Station” (to select the ne ...

    Instrument Cluster Descriptions
    1. Tachometer Indicates the engine speed in revolutions per minute (RPM x 1000). 2. Air Bag Warning Light This light will turn on for four to eight seconds as a bulb check when the ignition s ...