Photosensors
The mirror has a photosensor attached on both the front and back sides. During nighttime driving, these sensors detect distracting glare from vehicle headlights behind you and automatically dim the mirror to eliminate glare and preserve your vision. For this reason, use care not to cover the sensors with stickers, or other similar items. Periodically wipe the sensors clean using a piece of dry soft cotton cloth or an applicator.
See also:
To use as semi-automatic climate control system
Each function can be individually set to AUTO mode independently of the others.
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Uniform Tire Quality Grading (UTQG)
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Shift-up indicator light (STI)
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