Using these COBB ST-01 wheels is straightforward. Just have them installed by a professional to ensure proper fit and safety. When it comes to fitment, always double - check if they're suitable for your vehicle. You can use the provided template to confirm clearance. As for maintenance, wash the wheels regularly with mild soap and water. Avoid using harsh chemicals that could damage the gunmetal finish. Also, inspect the wheels periodically for any signs of damage like cracks or bends. If you notice any issues, it's best to have them checked by a professional right away.