[Cyreen]

Having read all that, I still think it may have been a car Jolene "borrowed". I think she intended to take Clem (had her hat waiting for her and everything) and needed supplies and that the hoodie in the car was intended for Clem all along. I think being a bit of a wingnut and not really caring about the car, she left it running with the door open while she went to get the cart from her camp to haul supplies. The car ran out of gas in the meantime and the headlights could have been daytime running lights. Consider the timeline, the game starts and Lee is handing out afternoon rations and ends just after dinner, it's reasonable to assume the car battery lasted that long. Jolene would have arrived with the car after the second group arrived at the dairy to make it to her camp while Lee and Danny were there, which would be why no one saw the car on the way to the dairy.