 My car lost power on the freeway when I was driving in the car pool lane with no shoulder.  I have plenty of gas but it did not switch over.  The dealer updated the modules.  There seems to be a problem with the modules on this car as I have had it for two years and they have had to be updated numerous times for everything from the windows not working properly, not switching over to gas power and time of use charging option.  I am no longer under warranty due to the mileage and am being charged to update modules that seem to "break" randomly.  This car could end up costing me a small fortune just in updates.  Seems like a money pit for me and a way to keep funds coming into the dealer.