The Nest Learning Thermostat (4th gen) is Google’s biggest redesign of the smart thermostat since it launched in 2011. Released in August, one of the thermostat’s major new features was the 2.7-inch display, which was double the size of its predecessor and more customizable. For example, you can have the main display be a clock or show the weather or indoor temperature. As you get closer, it can then transition to display the humidity, outdoor temperature, or even the outdoor air quality index score.

There was one huge drawback, though: owners complained the display was too dim at times. There was no way to fix the problem, either, as the thermostat lacked a manual brightness control. Google’s latest software update addresses the issue by adding that manual adjustment and by optimizing how the thermostat automatically adjusts screen brightness.

To start using the new manual brightness setting, head to the Settings Menu on your Nest Learning Thermostat. After clicking on Device Settings, tap on Display Brightness, and then select Manual to customize the brightness.