When driving after dark, the automatic dimming rearview mirror reduces the glare from headlights behind you, based in inputs from the mirror sensor. This feature is always active.
The auto dimming function cancels when the shift position is in R.
Honda Civic Service Manual. Navigation System Symptom Troubleshooting Rearview camera image does not change
when selecting different views ('13)
Rearview camera image does not change
NOTE:
You can select three different rearview camera angles for backing up.
If there is no camera image on the display, go to Rearview camera image
does not come on or work properly troubleshooting.
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