Subaru Forester: Light control switch / Sensor for the auto on/off headlights

The sensor is as shown in the illustration.
CAUTION
If any object is placed on or near the
sensor, the sensor may not detect
the level of the ambient light correctly
and the auto on/off headlights
may not operate properly.
High beam
Low beam
When the headlights are on high beam, the
high beam indicator light on the
combination meter is also on...
Other information:
Example
Useful messages, such as reminder information,
weather information (if
equipped) and traffic information (if
equipped) may interrupt the current screen
and appear on the display accompanied
by a beep. Take proper action according to
the message...
CAUTION
Direct splicing or other improper
connection of trailer lights may
damage your vehicle’s electrical
system and cause a malfunction of
your vehicle’s lighting system.
Connection of trailer lights to your vehicle’s
electrical system requires modifications to
the vehicle’s lighting circuit to increase its
capacity and accommodate wiring
changes...