Materials Added To Engine Oils

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

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    INTERIOR
    The 2011 Grand Cherokee's cabin is easy on the eyes and soft to the touch. The wood-grain and chrome trim is sexy and the leather-trimmed seats are comfortable. Front and rear seats and the steeri ...

    Extreme Cold Weather (Below –20°F Or –29°C)
    To ensure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your authorized dealer) is recommended. ...

    Heated Steering Wheel — If Equipped
    The steering wheel contains a heating element that helps warm your hands in cold weather. The heated steering wheel has only one temperature setting. Once the heated steering wheel has been turn ...