If you think the water level viewer is not accurate please follow the below steps.
First of all ensure the cable is fully unwound from the bottom of the base and tucked in.
Try removing the kettle body turning over the base, there is a large black button, its not really a button but looks like a button, that registers the water level can you please press this a few times then re-calibrate the water level. Please do not press this too hard!
To re-calibrate with an Android device; tap Calibrate at the bottom of the homepage.
To re-calibrate with a iOS device go into device setting then select Water Calibration.
Please do not hesitate to get in touch with Smarter Support by emailing us at firstname.lastname@example.org. You can also give us a call us on 0800 802 1237 if you are in the UK or EU or on +1 (855) 489 5522 if you are in the US.