Using these Hawk Porsche HPS brake pads is straightforward. Just replace your old brake pads with these new ones following your vehicle's standard brake pad replacement process. As for maintenance, regularly check the brake pads for wear. If you notice reduced stopping power or excessive noise while braking, it might be time to inspect or replace the pads. Also, make sure to keep the brake system clean to avoid any debris affecting the performance of the pads. Remember, when you're driving, these pads offer great stopping power, but always drive safely and adjust your driving style according to road conditions.