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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    To disable TRAC and/or VSC (2WD models)
    If the vehicle gets stuck in fresh snow or mud, TRAC and VSC may reduce power from the engine to the wheels. You may need to turn the system off to enable you to rock the vehicle in order to free it ...

    Vehicle Storage
    If you need to park your vehicle for an extended period (more than 1 month), there are several things you should do to prepare it for storage. Proper preparation helps prevent deterioration a ...

    Setting hazard indicator and horn mode
    This vehicle is set in hazard indicator and horn mode when you first receive the vehicle. In hazard indicator and horn mode, when the LOCK button 1 is pushed, the hazard indicator flashes tw ...