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:

    Electronic Roll Mitigation (ERM)
    This system anticipates the potential for wheel lift by monitoring the driver’s steering wheel input and the speed of the vehicle. When ERM determines that the rate of change of the steering w ...

    Hill Climbing
    Hill climbing requires good judgment and a good understanding of your abilities and your vehicle’s limitations. Hills can cause serious problems. Some are just too steep to climb and should not ...

    Premium Performance
    Continuing to build on the Jeep brand's legendary off-road capability, the all-new 2011 Grand Cherokee adds premium on-road performance to complete the package. The all-new 2011 Jeep Grand Chero ...