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:

    The Lineup
    The Wrangler is available in two-door Wrangler and four-door Wrangler Unlimited configurations; click here to compare them with the 2009 Wranglers. Both versions offer Sport, Sahara and top-of-the ...

    Media Center 230 (REQ) — AM/FM Stereo Radio And 6–Disc CD/DVD Changer (MP3/WMA AUX Jack)
    NOTE: The radio sales code is located on the lower right side of the radio faceplate. Media Center 230 (REQ) ...

    Cooling System
    To reduce potential for engine and transmission overheating, take the following actions: − City Driving When stopped for short periods of time, shift the transmission into NEUTRAL and incr ...