Your vehicle may have an automatic dimming rearview mirror.
When the automatic dimming feature is turned on, the mirror automatically changes to reduce glare from the headlamps behind you. A photocell on the mirror senses when it is becoming dark outside. Another photocell built into the mirror face senses when headlamps are behind you.
At night, when the glare is too high, the mirror will gradually darken to reduce glare. This change may take a few seconds. The mirror will return to its clear daytime state when the glare is reduced.
To activate the automatic dimming feature, press the button (B) located below the rearview mirror. To turn the feature off, press the button (B) again.
The ignition must be turned to ON to use the automatic dimming rearview mirror. The indicator light (C) will illuminate while this feature is active.
There are two light sensors (A) which detect ambient light level and glare from vehicles behind you. Do not cover the sensors as this will cancel the automatic dimming operation.