Operation CHARM: Car repair manuals for everyone.

Automatic Dimming Interior Rearview Mirror, Checking






Automatic Dimming Interior Rearview Mirror, Checking

Prerequisites

Interior rearview mirror installed.

Ignition switched on.

Reverse gear not engaged.

Checking

- Close off photosensor on front side (or tape off).

- Shine a light source on the back side of the photosensor (flashlight).

The interior rearview mirror must dim within a short period of time.