Jeep Liberty: Materials Added To Engine Oil - Engine Oil - Maintenance Procedures - Maintaining Your Vehicle - Jeep Liberty Owner's ManualJeep Liberty: 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.

    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. ...

    Disposing Of Used Engine Oil And Oil Filters
    Care should be taken in disposing of used engine oil and oil filters from your vehicle. Used oil and oil filters, indiscriminately discarded, can present a problem to the environment. Contact yo ...

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    Special operating conditions
    If you operate your vehicle primarily in any of the following conditions, you need to perform additional maintenance as indicated. If you occasionally operate your vehicle under any of these conditi ...

    Ride Comfort And Vehicle Stability
    Proper tire inflation contributes to a comfortable ride. Over-inflation produces a jarring and uncomfortable ride. Both under-inflation and over-inflation affect the stability of the vehicle and ...

    Heated front seats
    The current seat temperature is shown in the center console display Press the button once for the highest heat level – three indicator lights come on. Press the button twice for a lower ...