Volvo 2013 S80 Owner's Manual page 110

03 Your driving environment
Mirrors
strength of following vehicles' headlights),
and work together to help eliminate glare.
NOTE
Obstructing the forward sensor with e.g.,
parking stickers, transponders, etc., or the
03
rear sensor by placing objects on the par-
cel shelf or the rear seat in such a way that
light is prevented from reaching the sensor
will reduce the auto-dim function in the
rearview mirror.
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