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:

    Exterior
    I love the clean, boxy, rugged look of the Liberty. From its big, round headlights to its chunky tires, the Liberty screams "Jeep." Its abrupt exterior angles contribute to the Liberty's ...

    Change Engine Oil
    The oil change indicator system will remind you that it is time to take your vehicle in for scheduled maintenance. Refer to the “Maintenance Schedule” for further information. NOTE: Under no c ...

    Blower Control
    For full automatic operation or for automatic blower operation, turn the knob to the AUTO position. In manual mode, there are seven blower speeds that can be individually selected. In off positi ...