Using this gas stove control knob kit is easy. First, turn off the gas supply to the stove for safety. Then, remove the old knobs from the stove. You can do this by gently pulling them straight off. Next, choose the appropriate insert from the kit for your stove's control size and insert it into the new knob. Finally, place the new knob onto the stove's control shaft. Make sure it fits snugly. When using the knobs, remember to always push in the knob with the burner - lighting sticker to start the burner. For maintenance, clean the knobs regularly with a mild soapy solution and a soft cloth. Avoid using abrasive cleaners as they can damage the markings on the knobs. If you have any issues with the knobs, don't hesitate to contact us.