All three options for releasing a lien require an original signature and must be dated; a copy will not be accepted. Add or Remove a Lien on a Vehicle.To add or remove a lien on your vehicle title, visit your local county tax office. The FDIC may be able to assist you in obtaining a lien release if the request is for a customer of a failed bank that was placed into FDIC receivership. I am looking for help in obtaining a lien release letter or letter of noninterest for an older vehicle I purchased.