Prior to delivery, Executive seats required also paying for Premium interior and Subzero packages as well, something I didn't really want or need.
Are you owed the Next Gen. rear seats? It would be interesting to see if JUST the Exec. seating could be now chosen as an upgrade without the other options.
Let us know how it turns out.
I am owed the next gen rears, and I do have the premium pkg, but not sub zero.