The VIN 17-character number (digits and capital letters) can be found by looking at the dashboard on the driver's side of the vehicle or on the driver's side door and look at the door post. Packages sent by courier require signature. If you need our assistance, please let us to know. If you see that the package that courier tries to deliver is damaged, please fill up the claim form or do not accept it.NOTIFY US right away, we will arrange a replacement/reimburse your order A. We will gladly accept your return within 30 days of receiving. This option works 30 days after the customer manager support contacted you. Items that are sent in vacuum or lubricated film cannot be opened if the return is issued. Please let us to know if you have not received our feedback, we will give feedback manually.