Using this Dishlex DX301WK control panel is easy. Just install it on your dishwasher as per the included instructions. When using, simply press the buttons to select your desired program. As for precautions, avoid using sharp objects to press the buttons as it may damage the panel. Also, keep it away from excessive moisture. For maintenance, clean it regularly with a soft, dry cloth. If you notice any cracks or other issues, contact us right away and we'll help you out.