Using your Westinghouse Dual Detergent Dispenser is a breeze. First, make sure your dishwasher model is compatible with this dispenser. You can refer to the list of suitable models in the product description. Open the dispenser and fill one chamber with detergent and the other with rinse aid. Close it properly and start your dishwasher as usual. When it comes to maintenance, clean the dispenser regularly to prevent any blockages. Use a soft brush to remove any residue. Also, keep an eye on the level of detergent and rinse aid and refill them when needed. Remember, this dispenser is sold as a complete unit, so don't try to disassemble it for individual parts. With proper use and care, your dispenser will serve you well for a long time.