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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    Checking the tyre pressure after a repair
    When driving the vehicle, if you experience vibrations, abnormal steering, or noises, reduce speed immediately. Drive with extreme caution and reduced speed to the first safe place to stop the ...

    Normal Starting
    NOTE: Normal starting of either a cold or a warm engine is obtained without pumping or pressing the accelerator pedal. Turn the ignition switch to the START position and release when the engine ...

    Checking the oil level using the oil dipstick
    Park the vehicle on a level surface. To check the oil level with the engine at operating temperature, switch the engine off and wait for approximately five minutes. Pull oil dipstick 1 ou ...