Using this detergent dispenser tray is a breeze. First, make sure your washing machine is turned off and unplugged. Then, remove the old dispenser tray carefully. Place the new tray in the same position, ensuring it fits snugly. When adding detergent or fabric softener, pour them gently into the appropriate compartments. As for maintenance, clean the tray regularly with warm, soapy water to prevent any build - up of detergent residue. Avoid using harsh chemicals as they might damage the plastic. Also, check the small plastic cap over the fabric softener outlet periodically to ensure it's in good condition. If you encounter any issues, our team is here to assist you, thanks to the full guarantee on this product.