2004 Saturn ION "change engine oil 2013 jeep" Questions

...Oil changes, at 5000 ? the 3.7 may fit...says wiki. 2002-2012 Dodge Ram 1500 2004-2011 Dodge Dakota 2004-2009 Dodge Durango 2007-2011 Dodge Nitro 2002-2013 Jeep Liberty/Cherokee 2005-2010 Jeep Grand ...

...change the oil spec for the Pentastar V6 from 5w-30 in 2012 to 5w-20 in 2013? In 2013 the engine oil recommendation for the Pentastar engine changed from 5w-30 (in 2011 and 2012) to 5w-20. The 2014 ...