Try this.
How to fill the LG CordZero A9 mop nozzle with water
- 1. Before using the nozzle, press the PUSH button to separate the water tank from the nozzle.
- 2. Open only one of the caps on either side of the water tank and use the provided measuring cup to fill the tank with water up to the MAX line.
If you fill it past the MAX line, the water may overflow. - 3. Close the cap, align the two tabs on the water tank with the grooves on the mop nozzle, and insert it until you hear a click.
This guide was created for all models, so the images or content may be different from your product.