The horn and cruse control doesn't work anymore?

I have a 2000 Toyota Avalon. The horn stopped working. Cruse control and the audio buttons also stopped working. It's not the horn itself and the fuse and relay are good. The dealership told me it was the whole steering unit and they quoted me $3000. I don't think i need to do all that. Also there is some... show more I have a 2000 Toyota Avalon. The horn stopped working. Cruse control and the audio buttons also stopped working. It's not the horn itself and the fuse and relay are good. The dealership told me it was the whole steering unit and they quoted me $3000. I don't think i need to do all that. Also there is some play in my steering wheel. That is probably a different issue but any help is appreciated.
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