Using this Subaru coin and fuse box cover is easy. Simply install it in the designated USDM driver - side location of your compatible Subaru vehicle. When you need to access the fuse diagram, just flip open the coin box. To use the coin box, open it up and drop your coins inside. As for maintenance, keep it clean by using a soft, dry cloth to wipe it regularly. Avoid using harsh chemicals or abrasive materials as they might damage the cover's texture and color. If you notice any issues during use, such as difficulty in opening the coin box or misalignment, check if it's properly installed or contact the customer service for further assistance.