Jeep Liberty Owners Manual

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Selection Of Lubricant
Use only the manufacturer’s recommended fluid. Refer to “Fluids, Lubricants, and Genuine Parts” in “Maintaining Your Vehicle” for further information. ...

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. ...

If Your Engine Overheats
In any of the following situations, you can reduce the potential for overheating your engine by taking the appropriate action. • On the highways — slow down. • In city traffic — while st ...