Note: Before placing your order, please verify the model of your car 1. The middle short panel shelf can only be used in conjunction with a storage basket (not installed alone) and can only be placed at the bottom 2. The middle long panel shelf cannot be placed at the bottom if a storage basket is installed 3. The Middle Long Panel Shelf has 3-4 adjustment positions and can be moved up and down according to needs Please get in touch with us if you have any questions about our products. We will respond within 24 hours and do everything we can to resolve your issue If any question about the product installation, please feel free to tell us promptly, we will provide specialized guidance Our car accessories conform to the original equipment standards to ensure they operate and fit just like the original, perfectly match your car