Using this Perrin License Plate Delete is easy. First, gather all the parts from the box. You'll have the license plate delete, screws, wellnuts, and the instructions. Open the instruction manual and follow the step - by - step guide to install it on your 2006 - 2017 Subaru WRX or STI. The hardware is included, so you don't need to look for extra pieces. When installing, make sure to align the plate properly with the holes on your front bumper. As for maintenance, since it has an anodized black finish, you can clean it with a mild soap and water solution. Avoid using harsh chemicals or abrasive materials as they may damage the finish. Also, check the screws periodically to ensure they are tight and the plate is secure. If you have any issues, refer to the warranty and instructions in the box for further help.