How to check vehicles that can be attached : Please check in advance whether it is possible to attach it to the vehicle door using a magnetic sticker or magnet attached to the refrigerator in your home. Magnets won't stick to aluminum, carbon fiber or polymer doors, including TESLA. **Doors must be clean of debris for magnets to stick well. ※CATION※ Air bubbles, press marks, and scratches may occur due to the material's characteristics and various processes. So, this part is not defective, so please use it with confidence. This product is used only when parking, so please do not use it while driving.