I'm guessing it depends on the year. Seems like a flaw that needed addressed, so probably fixed in later models! I guess I'm driving "Alternatorless" even more-so for now. Fuel savings, right?!
I ordered a 12v cig plug-in adapter for monitoring (plus, has 2 USB chargers on it, so... why not?)
http://www.amazon.com/HappyPrimeDay-...ilpage_o00_s00