Originally Posted by HawkGuy

I'd just pretend I never got the call saying my car was found. Wait until your claim is paid off and everything is all done, signed, etc.. Then wait a week or so and call your insurance people and say your car was found. Maybe the call was taken by your roommate who failed to pass on the message (wink wink) and so you still think your car is stolen.

Once you relinquish claim to your old car and mail in the title and keys, you don't have anything to do with it. It's their car now. Since they already paid the claim, your old car is theirs and you have your new one.