American Petroleum Institute (API) Engine Oil Identification Symbol

Jeep Grand Cherokee / Jeep Grand Cherokee 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:

    Opening Sunroof — Express
    Press the switch rearward and release it within one-half second and the sunroof will open automatically from any position. The sunroof will open fully and stop automatically. This is called “Ex ...

    E-85 General Information
    The information in this section is for Flexible Fuel vehicles only. These vehicles can be identified by a unique fuel filler door label that states Ethanol (E-85) or Unleaded Gasoline Only. This ...

    Driving the Patriot
    The Patriot's smaller engine — a 158-horsepower, 2.0-liter four-cylinder — is technically an option on the Patriot Sport with front-wheel drive, which subtracts $200 from its suggested retail ...