Jeep Liberty: Synthetic Engine Oils - Engine Oil - Maintenance Procedures - Maintaining Your Vehicle - Jeep Liberty Owner's ManualJeep Liberty: 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.

    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 recommend ...

    Materials Added To Engine Oil
    Do not add any supplemental additives, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. ...

    See also:

    Read first — then drive safely
    Before driving your vehicle, read your Owner’s Manual carefully. This will ensure familiarity with controls and maintenance requirements, assisting you in the safe operation of your vehicle. ...

    Storing and maintaining the current speed
    You can store the current speed if you are driving faster than 20 mph (30 km/h). Accelerate the vehicle to the desired speed. Briefly press the cruise control lever up 1 or down 2. Remove your ...

    Help Features
    To hear general HFL information, including help on using HFL buttons, Voice control, or making a call, say ‘‘Tutorial.’’ For help at any time, including a list of available commands, ...