Right, managed to fit my seats... In the dark!
Couple of tips, if making the airbag resistors, the metal bits need to be really pulled through so a tiny pair of needle nose plyers are useful. Otherwise they wont click in place.
I believe the red and black wire is actually part of the electric lumbar system.
To turn the seatbelt warning you need to go into instruments - 17 then recode - 7. From the 4th digit, you minus 2. Mine was 5 but was changed to 3