It depends on you locatily, but in general, yes, if you are behind on your payment, your vehicle can be repossessed.
By not paying the payments needed or by government seizure. Zaragotha (Zara)
Yes, default is default no matter what you do for a living.
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.
by paying the bill or rebuy it at an aucton
When A) the vehicle is a government owned or issued one; B) when it occurs on federal property;
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.
Technically (and leagally) yes.
Yes it can.
Yes, it can.