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:
Status Indicators
Recall and display (at any time) the last
recorded garage door status message
communicated to HomeLink by simultaneously
pressing HomeLink buttons 1 and
2 for two seconds. HomeLink will display
the last recorded status for three seconds...
The welcome lighting function turns on the
low beam headlight for smooth approaching
to or exiting from the vehicle at night or
in a dark place.
The function is activated while all of the
following conditions are met.
The light control switch is in the “AUTO”
position...