Pretty much remove and replace.
The hub adapters should have instructions for it.
Basically...
Remove HORN fuse.
Pop off cover that exposes the single nut in the center of the stock steering wheel.
Don't remove the nut totally.
Rock the steering wheel to get it loose.
Remove center nut and remove steering wheel.
The horn is a single wire that triggers when it sees ground.
Now, take notice of the two holes / nubs that mate the steering wheel to the turn signal cancellation ring - this is important, cause you need to make this properly to the hub adapter.
Place hub adapter matching the two holes / nubs.
Tighten center nut.
Snake horn wire to through.
Bolt steering wheel on.
Bolt horn button on and connect wire - you might need to use the wire included in the hub adapter / steering wheel / horn button.
Put HORN fuse back in.
Check to see if horn works.
-Ted
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