Keep your answers brief and to the point of the question(s) asked of you. Don't ramble on with irrelevant information. Make some notes ahead of time regarding specific dates, times and events so you can refer to them.
Do I just submit my evidence, be quiet, answer questions, and let the...
If you decide you do want to go to court, you will be going with the contract that you wrote. Does it address in detail what will happen if he doesn't pay? In order to put a lien on the title you will have to sign the title over to him. Putting a lien simply means he can't sell the car without...
"No one is supposed to touch or grab anyone in a workplace" That's what you said.
I repeat, people touch people at work all the time. I didn't say it was okay to grab someone and shove them away.
Whoever has the car needs to get the recall done then problem solved. This business of not being able to sell cars with open recalls is fairly new, and I've only seen it with regard to selling new vehicles, so I don't see necessarily that anyone did anything "wrong".