VW Credit fraudulent billing

On 16 June, my wife and I turned in our VW Jetta to the dealership based on a letter we'd received from them that stated we could do so without penalty or fees for wear/tear or excess mileage. Last week, VW Credit sent us an invoice which included incorrect info about our lease terms (we had a 60K mile lease, they claim we turned it in at 52, 841 which was over the 48K term we signed!) as well as charging us for wear/tear and excess mileage driven.

We are discussing things with them but I am prepared to send the following list to them...

1. Our lease, which we still have a copy of, says it is for 60, 000 miles. We could not be over our mileage at 52, 841 miles as 52, 841 is less than 60, 000. The invoice you sent us is factually incorrect and will not be paid as it should not have been issued with incorrect information. If your records or dealership records do not reflect our lease being 60, 000 miles, that information is wrong and the lease should be null and void anyways due to incorrect terms and improper dealings by either the dealership or VW Credit.

2. The letter we received from the dealership states that we can turn in the vehicle early, and not be subject to wear and tear or extra mileage charges or termination fees. None of those items should be on the bill. We will not be paying for them, because we do not owe them.

3. Any remaining cost on the lease has to fall on the dealership as they allowed us to walk away from the lease without penalty, according to the letter they sent us. They claim they do not have this option, but they apparently do not read their own documents because the letter says they do have this option and they confirmed the letter is valid when we turned in the vehicle in June.

4. There are no remaining charges due because the lease should have been cancelled without penalty or fee by the dealership when we turned the vehicle in back in June. Read the letter they sent us.

5. Any remaining cost on the lease has to fall on the dealership as they allowed us to walk away from the lease without penalty on 16 June, in accordance with the letter they sent us. The lady in their Finance office collected no money from us that day and told us we were good to go so we left. We've heard nothing from the dealership concerning paying off the lease for a vehicle we no longer have.

6. We turned the vehicle in back on 16 June. Billing us in late October is absurd, especially when the dealership said we owed nothing and could leave.

7. If you can’t send a bill to a customer in 30 days, it raises serious questions about your billing practices.

8. Billing us for money we do not owe is called attempted fraud.