I ordered on Tue and have been communicating with someone from the South SF SC. They also confirmed no guide and all communications are with them.
They have been very responsive to my messages so far.
I believe that in CA personalized plates stay with you, not the vehicle. So, when you go to the turn in the leased car, they should complete the DMV paperwork to "remove" the personalized plates from the car.
If you have AAA, you can try going into one of their offices that provides DMV...