If you have sold your vehicle after filing Form 2290 Returns, then you need to file IRS 8849, Schedule 6 for claiming credit. Also, if your vehicle gets stolen, destroyed or used 5,000 miles or less on the public highway (for agricultural vehicles, it is 7500) during a given tax period, you need to file IRS Form 8849.
Using IRS Form 8849, you can claim refunds using the below schedules -
Claim your refund by e-filing the Form IRS 8849 at a reasonable price.
Sch.6 Other Claims