Using this 180mm chrome trim ring for your glass top stove is easy. First, make sure your stove is turned off and cooled down. Then, carefully place the ring around the hotplate on your ceran glass top stove that uses an 1889 solid hotplate. It should fit snugly. When using the stove, avoid hitting the ring with hard objects to prevent damage. For maintenance, clean the ring regularly with a mild detergent and a soft cloth. Don't use abrasive cleaners as they can scratch the chrome finish. This way, your ring will look good and function well for a long time.