It may depend on whether the title says Mary and Sam OR Mary or Sam. If it says Mary or Sam then either party may sell it.
An individual who purchases a vehicle jointly with a Buyer, and is jointly liable for repayment of the loan.
Yes, the IRS can seize a jointly owned vehicle if one of the co-owners owes taxes. They have the authority to enforce tax collection by levying assets, including jointly owned property.
for example is the title is signed Julie and Tim than both people have to sign the title, but if the title is signed Julie or Tim than only one has to sign the title.
no
deal with who can consent/object to a lawful search of a vehicle
Certainly. In many cases written consent would be difficult.
no
Maybe.
No, not without your permission.
You are jointly liable with your other co-signer. The finace company can, and will, come after both of you.
people who operate a motor vehicle in Florida
It's California Vehicle Code 10851 - driving without the owner's consent (in other words it's a stolen vehicle).