From the Sensors menu, select Lights > Network Options > Light Mode.

Auto

Automatically adjusts the light intensity and light mode based on the ambient light and time of day. This mode is recommended for commuting or road rides.

High Visibility

Sets the light intensity to flash mode or the brightest setting available.

Trail

Automatically adjusts the light intensity and light mode based on the ambient light and time of day. This mode is recommended for mountain biking.

Individual

Allows you to customize the light intensity and pattern mode for each light in your network (Light Network Settings).