Using this grille is easy. First, take out your old OEM grille. Then, use the included mounting hardware to attach the new JDM - style grille in place. Make sure all the parts are securely fastened. As for maintenance, just clean it regularly with a mild car cleaner and a soft cloth. Avoid using harsh chemicals that could damage the ABS material. Also, check the mounting hardware from time to time to ensure it remains tight. If you notice any signs of wear or damage, replace the parts promptly.