Originally Posted by
BonzoESC
The third level is accessible: follow signs for the train to the rental car station. You can talke moving walkways all the way from D and E to J this way.
However, there is nothing accessible airside. The moving walkways would be good if the OP cannot walk fast but the time you get the elevator up and then down (fighting through people with carts loaded with luggage) I'm not sure if you would save much time.