if you are gonna let them flash your ecu, then definitely unmarry your accessport. you just have to make sure they dont drive on the stock tune with your stage 2 mods. the AP flash may not overwrite the section that handles the CC operation.
4-Time NNJR ESP Season Champion -15 ESP
3rd Place in 09' Pax Championship/Driver of the Year
2012 Northeast Divisional Champion in ESP