Using this Bosch dishwasher lower door seal is a breeze. First, make sure your dishwasher is turned off and unplugged. Then, carefully remove the old seal from the lower door of your dishwasher. Next, take your new seal and fit it into place. It should slide in easily, but make sure it's seated properly all around. When it comes to maintenance, check the seal regularly for any signs of wear or damage. If you notice any tears or leaks, it might be time to replace it. Also, keep the seal clean by wiping it down with a mild detergent and a soft cloth. And remember, if you're ever unsure about the installation or anything else related to this part, don't hesitate to reach out to us.