There are a lot of issues going on for you. You need to deal with the criminal issues, the insurance issues, and any civil issues. Before you start talking to anybody, get in to see a local lawyer. You don't want to get yourself in trouble. The lawyer will walk you through each of the steps.
In addition to hiring a lawyer,be sure you request a Drivers License hearing within the 10 days of being arrested. This way you can at least fight for your license. You will need to work on the insurance. Call a local insurance agent to see what they know about prior insurance applying to the new car. Good luck.
I agree with my colleagues. You need to retain an attorney to represent you - one skilled in DWI defense and familiar with the court where you are charged.
I assume the truck is subject to forfeiture as an instrument of the crime, though my Utah colleagues can better advise you. I respectfully suggest the loss of the truck is less important than defending yourself against the crime charged.
A roundup of the best tips and legal advice.