Extreme Cold Weather (Below –20°F Or –29°C)
Jeep Liberty / Jeep Liberty Owners Manual / Starting And Operating / Starting Procedures / 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.
See also:
Customer Key Programming
Programming Key Fobs or RKE transmitters may be
performed at an authorized dealer. ...
Control Setting Suggestions for Various Weather Conditions
...
Treadwear
The Treadwear grade is a comparative rating, based on
the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 woul ...