Jeep Liberty: Engine Oil Viscosity - Engine Oil - Maintenance Procedures - Maintaining Your Vehicle - Jeep Liberty Owner's ManualJeep Liberty: Engine Oil Viscosity

SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. The engine oil filler cap also shows the recommended engine oil viscosity for your engine. For information on engine oil filler cap location, refer to “Engine Compartment” in “Maintaining Your Vehicle” for further information.

Lubricants which do not have both the engine oil certification mark and the correct SAE viscosity grade number should not be used.

    American Petroleum Institute (API) Engine Oil Identification Symbol
    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 flush ...

    Synthetic Engine Oils
    You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. ...

    See also:

    Disabling stop/start
    Disabling stop/start To switch the system off (preventing automatic stop/start) press the ECO switch. The LED indicator will extinguish to confirm that the system is off. Note: The engine will ...

    A/T Selector Position Indicator (if equipped)
    A/T Selector Position Indicator (if equipped) When the ignition switch is in the “ON” position, this indicator shows the selector position of automatic transmission. ...

    Fastening a seat belt
    Buckling Pull the belt out far enough to insert the latch plate into the receptacle until a distinct click is heard. The seat belt retractor is normally "unlocked" and you can move fr ...