1. Fill the container with water up to the maximum water level and add one packet of the cleaning agent.
2. Close the lid.
3. Connect the power (plug) and boil water, then let it sit for about 1 hour. During the cleaning process, use the included sticker to clearly indicate that the electric kettle should not be used.
4. Remove the power (plug) and the lid, then dispose of the cleaning solution in the sink.
5. If any residue remains, scrub it off with a sponge.
6. After cleaning, rinse the inside of the electric kettle 4-5 times with water.
Note: Depending on the type and extent of the dirt, it may not come off completely.