From my experience I believe the update changes the way they are saved. There are two ways to save a seat depending on your vehicle. The update, for some reason, switched the way you program a memory seat. Try both these methods to see which works for your vehicle:
1.Set your seat to the position you want then press the set button once, and immediately after, press and hold the number you want to save it to and wait for the beep. (Approx. 2 seconds).
2.Set your seat to the position you want then press and hold the set button and the number you want to save it to simultaneously and wait for the beep.
If neither method works, then call your dealership.