The steering wheel switches are easy to install ,, get under the switches and pull them out ,,, then unplug them ,, and install the new ones ---see below
as for the clock spring ,,, you have to remove the air bag,, remove the steering wheel ,, and the upper and lower steering column bezels.. see below
remove the tilt lever
then the three screws from the lower bezel , see number 7
then remove the upper and lower steering column bezels, number 1 and 6
then look at the back side of the steering wheel , there are three clips you can see on the back side that need to be released with a big flat bladed screw drivers , twist the screw driver to release all three and the air bag will pop off ,, then unplug it -see below
then remove the bolt from the center of the steering wheel and and the steering wheel will come off ...
under the steering wheel is the clock spring ,, remove its two bolts and install the new one ---see below