Using this Mishimoto coolant overflow tank is a breeze. First, make sure your engine is cool before starting the installation. It can be installed in under 30 minutes. Just connect it to your stock or Mishimoto WRX/STI radiator as per the instructions. The dipstick is there to help you easily check the coolant level. Check it regularly to ensure your engine has enough coolant. When it comes to maintenance, keep an eye on the tank for any signs of leaks. Since it's made of aluminum, it's quite durable, but avoid hitting it with sharp objects. If you notice any issues, Mishimoto offers a lifetime warranty, so you can reach out to them for support.