Thank you for your interest in the product. There is a crack in the display. Consumables such as batteries are to be covered by the buyer. While we have checked the button feel and lamp illumination, we cannot guarantee complete functionality. We cannot respond to questions or complaints regarding the reset method. The vehicle name in the title may differ from the actual vehicle. We cannot accept complaints such as "It didn't work with the listed vehicle model." Please confirm before purchasing. Used items are non-refundable and non-returnable. Due to being a used item, we cannot guarantee perfect operation. If we have the same type or model in stock, we may be able to provide a replacement. Please inquire via message. If you are concerned about minor details or seek perfection, please purchase a new item from a dealer. Please purchase with the above information in mind.