Using this basin mixer is a breeze. Just turn the handles to adjust the water temperature and flow. For cold water, turn the left handle counter - clockwise, and for hot water, turn the right handle clockwise. When you're done, simply turn the handles back to the off position. As for maintenance, clean the mixer regularly with a mild soap and a soft cloth. Avoid using abrasive cleaners as they may scratch the chrome finish. Also, check for any leaks from time to time. If you find a leak, it's best to call a professional plumber to fix it. And always remember, this mixer is lead - free, so it's safe for you and your family.