When the power is ON, tap the lid once to check the temperature range.
- If the beverage temperature is above 60°C/140°F the light will be red.
- When the beverage temperature is between 36.5 and 60°C / 98°F to 140°F the light will be yellow.
- The light will be blue when the beverage temperature is below 36.5°C/98°F.
Note: When the beverage temperature is above 60°C/140°F, the hydration reminder is automatically turned OFF.