Don't know, is not mine.
But apparently it does allow you to change all sorts of settings, check fuel level and such.
Strange approach imo as other brands use a phone app for that.
Nice read on EDR's - I remember reading an article in which said Jeeps have one. Trying to find that article, I bumped into the article linked to. Not sure how relevant this is still.
For the Rubicons, that is in combination with 4:1 Rock-Track
Don't know for sure about the other trim levels.
Neither is it an option - we can only get Auto's, and they do come with 4A by standard.