Using these Enkei RS05 - RR wheels is straightforward. First, make sure they're compatible with your vehicle before purchase. When installing, you might need to make some modifications to get a proper fit. As for maintenance, regularly clean the wheels with a mild soap and water solution to keep the matte gunmetal finish looking great. Avoid using harsh chemicals or abrasive cleaners as they can damage the surface. Also, check the wheel nuts periodically to ensure they're tight and secure for a safe driving experience.