No, you no longer have anything to trade (the car is now the property of the repo company not you).
A disabled person's vehicle can be repossessed just as any other person's vehicle can be repossessed. You must make all payments on your vehicle if you want to keep it.
It depends on you locatily, but in general, yes, if you are behind on your payment, your vehicle can be repossessed.
If you cannot produce a "clean title", you cannot sell or trade the vehicle.
by paying the bill or rebuy it at an aucton
it doesn't matter if the pope takes over your vehicle payments. if he stops making them, your credit is damaged and the vehicle is repossessed.
Yes, it can.
Yes it can.
Obvious answer, Yes.