In Memoriam, FlyerTalk Evangelist
Join Date: Jul 2002
Location: Durham, NC (RDU/GSO/CLT)
Programs: AA EXP/MM, DL GM, UA Platinum, HH DIA, Hyatt Explorist, IHG Platinum, Marriott Titanium, Hertz PC
Posts: 33,856
I booked a reservation last year as a general member but subsequantly became Silver Medallion. After I checked my reservation, it still showed me as a general member.
Therefore, I reopened the reservation online and clicked "Change Flights". Doing so gave me an option to change my FF number. I merely reentered my number and it now shows me as SM allowing me exit row seats and showing upgrade status as "requested". Maybe it will work for you?