Using this door latch tongue is simple. First, make sure your dishwasher is turned off and unplugged. Then, remove the old latch tongue carefully. Align the new one in place and secure it tightly. When it comes to maintenance, keep it clean by wiping it with a dry cloth regularly. If you notice any signs of wear, check it frequently. Since this part is no longer available from the manufacturer, handle it with care. And remember, it's fully guaranteed, so if you have any problems, we're here to help.