Using this Westinghouse control knob is easy. Just insert the shaft of the knob into the corresponding slot on your gas or electric stove. When adjusting the heat, turn the knob gently according to your needs. Make sure to align the white pointer correctly for accurate heat settings. As for maintenance, clean the knob regularly with a soft, damp cloth. Avoid using harsh chemicals as they may damage the knob's finish. If you're not sure if this knob is the right fit for your stove, always check with us using your full stove model number before you buy. This way, you can be confident that you're getting the correct part for your appliance.