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:
Warranties for U.S.A.
SUBARU vehicles distributed by Subaru of
America, Inc. and sold at retail by an
authorized SUBARU dealer in the United
States come with the following warranties:
SUBARU Limited Warranties
Federal Emission Control Systems
Warranties
California Emissions Control Systems
Warranties
All warranty information, including applicability,
details of coverage and exclusions,
is in the “Warranty and Maintenance
Booklet”...
Raise the wiper arm off the rear
window.
Turn the wiper blade assembly counterclockwise.
Pull the wiper blade assembly toward
you to remove it from the wiper arm.
Install the wiper blade assembly to the
wiper arm. Make sure that it locks in place...