Jeep Liberty: Summer Operation - Operating Tips - Climate Controls - Understanding Your Instrument Panel - Jeep Liberty Owner's ManualJeep Liberty: Summer Operation

The engine cooling system in air-conditioned vehicles must be protected with a high-quality antifreeze coolant to provide proper corrosion protection and to protect against engine overheating. A solution of 50% ethylene glycol antifreeze coolant and 50% water is recommended.

Refer to “Maintenance Procedures” in “Maintaining Your Vehicle” for proper coolant selection.

    Operating Tips
    NOTE: Refer to the chart at the end of this section for suggested control settings for various weather conditions. ...

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

    See also:

    Brake-shift interlock
    This vehicle is equipped with a brake-shift interlock feature that prevents the gearshift lever from being moved from P (Park) when the ignition is in the on position unless brake pedal is pressed. ...

    Defroster
    Check operation by selecting the defrost mode and place the blower control on high speed. You should be able to feel the air directed against the windshield. See your authorized dealer for servi ...

    When to Change Engine Oil
    This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on a combination of factors which include engine revolutions, engine temperature, and mile ...