Can I still take the defendant to court if he doesn’t look at court papers

Yes. That is proper service. Service of process does not require acceptance of the papers, ever.

My aunts dog bit someone, can she go to jail?

Absolutely not. The person who told you that is wrong.

Sue the at-fault driver. They cannot require repair.

Can Loanmart sue me out if they can't get to my car for repossession ?

Yes. They can file a lawsuit against you.

Can I receive a settlement

Yes, your property damage should be paid by the at-fault driver.

What court form(s) do i use to respond to a debt collector suing me?

Probably this form http://www.courts.ca.gov/documents/pldc010.pdf Also add affirmative defenses and, potentially, a counter-claim.

It may be a conflict, but that is an issue for his co-defendants, not the plaintiff. The most the plaintiff may be able to do is to file a motion...

It is legal. Only an attorney is prevented from doing so.

Deposition rules for in pro per and having an attorney as a special appearance?

Yes you can. You do not need legal authority, this is not an issue that should be disputed

Is there anyone that can assist me with obtaining a my case file in it's entirety? ?

Your former attorney must provide your file on request. Fax your request so there is a record. You can hire an attorney to assist you.