Originally Posted by
Paminaz
Just ask when you arrive in Phx. It's limited to first come first serve. Not all locations have these type of vehicles so they aren't book-able in the normal booking system.
That's what I figured. I'm guessing if I booked luxury (which I'd probably anyways so I have something nice to pick from rather than chancing on the EA/ES) then the upgrade wouldn't be too back-breaking financially?