On the 2012+ there has been rumors that leaving things plugged into the acc ports, in the dash and the center console may be causing some fires.
Personally, I don't keep things plugged into those unless I'm needing to, and then I don't leave it in the Jeep alone.
2013 JKU Sport, billet, auto, 3.73, LSD, 315/75/16 Duratracs on MB 72, 10A springs, Bushwacker flatties
Sold - 2005 TJ, red, auto, 3.73, 33" Duratracs, 4" lift
Ice storm casualty in 2007 - 2003 TJ, green, auto, 3.73, 33" Duratracs, 4" lift