If you did not reaffirm, you would be able to return the vehicle now without any penalty and without the repossession showing on your credit report.
Credit reports are supposed to reflect information about your personal liabilities. Since you have no personal liability for this debt anymore, the repo cannot be reported there.
Attorney Jay Perez is a Managing Attorney with Macey Bankruptcy Law, a national consumer bankruptcy law firm. His firm can be reached at 888-743-5787 or www.maceybankruptcylaw.com. Attorney Perez manages offices in Indianapolis, Merrillville, South Bend, Elkhart, Fort Wayne, Anderson, and Lafayette Indiana. Attorney Perez is licensed to practice before the Supreme Court of Indiana, Federal District Court for the Northern District of Indiana, and the Federal District Court for the Southern District of Indiana. The private law firm of Macey Bankruptcy Law is a debt relief agency helping people to file for bankruptcy relief under the bankruptcy code.
No, it should not show on your credit report as the debt should already be labeled as discharged. That being said, it is always a good idea to keep an eye on your report. I would pull it a few months after the surrender of the vehicle to confirm. If anything shows up, you can then dispute it. Good luck to you!