Dodge 2009 Avenger - Manual (Page 90)

Automatic Dimming Mirror — If Equipped
This mirror will automatically adjust for headlight glare
from vehicles behind you. Push in the button on the face
of the mirror to activate the dimming feature.
CAUTION!
To avoid damage to the mirror during cleaning, never
spray any cleaning solution directly onto the mirror.
Apply the solution onto a clean cloth and wipe the
mirror clean.
1 — Auto Dimming Mirror Power Indicator
2 — On/Off Switch
3 — Auto Dimming Mirror Sensor
88 UNDERSTANDING THE FEATURES OF YOUR VEHICLE