Honda HR-V 2020 Owner's Manual page 190

uuAdjusting the MirrorsuInterior Rearview Mirror
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Automatic Dimming Rearview Mirror
Models without HomeLink buttons
Indicator
Auto Button
Models with HomeLink buttons
Sensor
Auto Button
* Not available on all models
188
*
When you are driving after dark, the
automatic dimming rearview mirror reduces
the glare from headlights behind you. Press
the auto button to turn this function on and
off. When activated, the auto indicator comes
on.
Sensor
1Automatic Dimming Rearview Mirror
The auto dimming function cancels when the shift
position is in .
( R
*