or the OP reallized this deal was so hot that to share its details would kill it for everyone who already knows about it.
OR, maybe it DOES NOT work now and the OP just saved us all some pains!
Anyway, in my experience, Citi will gladly make your CA be ZERO if you request it (I did so in a message at my citi.com) and I recommend doing it to ZERO $ because some merchants can "sneak in" authorizations for more if you do it to say, $100. I know AAA does, so be careful! Set it to $0.
I know Chase and US Bank cannot and will not change your CA value. I do not know about anyone else to date.

MM