My son was served with an contempt and motion to compel appearance at deposition from a lawyer for 8 yr default final judgement.

First you say your son was served, then you say "we" are required to appear; confusing. Then you say the service was for a "motion," but then say...

I just received the fact information sheet. Do I have to notify the court? Or just go ahead and garnish their wages?

Why would you preclude collecting from them if they want to pay?

Can a creditor take my adult daughter's vehicle for a lawsuit against her/me from when she was a minor?

Lawsuits are about money owed, not taking vehicles. The potential plaintiffs (the people that she hit) want to get paid, not take possession of an...

HHow can I satisfy this person?

You can wait until he sues you and then defend.

What options do I have

Options: (1) Pay them in 20 days or (2) lose the car in repossession. Or, (3) hire an attorney if you believe there is a defense...

You should be asking your attorney these questions, not strangers here on Avvo.

Can I defeat a reverse mortgage foreclosure and how do I prepare for an order to show cause I just got? scheduled 10/8/18!

As others here have said, hire a foreclosure defense attorney immediately! YOu are not going to get out of this mess alone.

Do i have rights?

Of course you have rights; why not? Common sense says to call the police for criminal activity and assault and battery...

If you asked for them, and they were not supplied, then no. If you did not ask, then yes.

Do I have to list a prepaid debit card as a bank account in a request to produce?

You have answered your own question! If you do not have one... you do not have one.