With how much torque I have to fit the srew that holds the steeringwheel?

I have to disconnect the battery before removung the airbag. Do I need the radiocode after reconnection? Any other things I have to look out for? Daniel

Past:FFRR 2004 Vogue 4.4l bonnatigrey/sand/ burr walnut
Modifications: SC grill (not fixed) SC MY10 sidevents (not fixed), MY10 Letters front and back, clear sidelights , MY10 rear lights (not fixed), MY09 steering wheel trims, new MY09 sterringwheel 19'' seven spoke wheel (not fixed) 19'' MTS (not fixed), 20 '' wheels, doorhandelcovers brunel (not fixed), complete doorhandels (not fixed) burr walnutdoorsouround (not fixed)