My camera is in constant use these days, so a "fix" is not possible for me. There is another solution for those, like me, who can't have their fingers pried from their cameras (besides living with it, or assigning 5600 to a manual preset).
When I shoot exteriors I always want the iris open more, so I often use a polarizer to cut a couple of stops. Tiffen makes a "warm" polarizer with a built in 812. If you have a matte box, this filter (or simply an 812 if you don't want the polarizing effect) will counteract the color shift pretty well. There are also warm softFX and other filters available as well, but don't use two at once.
I made a preset at B for a long time now. I don't use much the white balance so I use A then. I'm not going to send the camera in to fix it. it works perfectly with the B I made.
But I can image for people who does need the A and B a lot is frustrating.