Winter Operation

Use of the air Recirculation mode during winter months is not recommended because it may cause window fogging.

    See also:

    Onboard Diagnostic System — OBD II
    Your vehicle is equipped with a sophisticated onboard diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. ...

    Trailer Towing Weights (Maximum Trailer Weight Ratings)
    The following chart provides the maximum trailer weight ratings towable for your given drivetrain. ...

    Powertrains
    The all-new 2011 Jeep Grand Cherokee is available with two leading engine options for North American markets. The 2011 Jeep Grand Cherokee's standard engine is an all-new flexible fuel 3.6-liter ...