Using this GrimmSpeed alternator cover is easy. First, remove the plastic factory cover from your vehicle. Then, place the new GrimmSpeed cover in its position. Use the slotted mounting features to secure it. If your vehicle is a Forester, Legacy, or Outback, remember to purchase and install the 23791AA002 OEM Subaru bracket first. As for maintenance, since it has a durable DuPont powdercoat and corrosion - resistant anodized black machined aluminum mounts, you can simply clean it with a mild car cleaner and a soft cloth. Keep it away from harsh chemicals to maintain its finish. When you notice any debris in the laser - cut venting, gently remove it to ensure proper cooling for the alternator.