Using this Westinghouse cooktop control knob is easy. Just turn the knob gently to adjust the heat settings of your cooktop. When using, make sure your hands are dry to prevent slipping. Also, don't apply excessive force while turning the knob. For maintenance, clean the knob regularly with a soft, damp cloth. Avoid using harsh chemicals as they might damage the finish. If you find any issues with the knob, like it becomes loose or hard to turn, contact us right away and we'll assist you further.