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:

    Engine Break-In Recommendations
    A long break-in period is not required for the engine and drivetrain (transmission and axle) in your vehicle. Drive moderately during the first 300 miles (500 km). After the initial 60 miles (100 ...

    Under the Hood
    Four-cylinder and V-6 engines are available for the Liberty. A 150-horsepower, 2.4-liter Power Tech four-cylinder is standard in the Sport model. A 210-hp, 3.7-liter V-6 produces 235 pounds-feet o ...

    Gear Ranges
    DO NOT race the engine when shifting from PARK or NEUTRAL into another gear range. PARK This range supplements the parking brake by locking the transmission. The engine can be started in this ra ...