For however long a fine is paid or the offence is dealt with, if a court so orders it may be crushed after a certain amount of days for failure to pay that fine or failure to claim the vehicle if it has been impounded
Varies a bit from place to place, but ninety days is common. When the cost of storage exceeds the value of the vehicle, it is common for it to be sold, at auction.
Quite honestly most officers don't give a 'hoot' WHO you are - if they ask you to identify yourself they probably have a GOOD reason for asking the question. and at that point you will have to make...
The answer to that quesion is a moveable target. (in the US) AS A GENERAL STATEMENT: You must be presented to court on your charge within 72 hours of your arrest. Once that criteria is met, "speedy...
Until the Grand Jury (or the court) hands it down (issues it). There are no statutory limitations on how long unissued indictments can be held before actually being served.