Using your Mishimoto coolant overflow tank is easy. First, make sure your engine is cool before installing the tank. It can be installed in under 30 minutes. Once installed, use the dipstick to regularly check the coolant level. If the level is low, add the appropriate coolant. When choosing a coolant, make sure it's compatible with your vehicle. As for maintenance, keep an eye on the tank for any signs of leaks or damage. Since it's made of aluminum, it's durable, but avoid hitting it with sharp objects. If you notice any issues, contact Mishimoto as the tank comes with a lifetime warranty.