ELECTROCHROMATIC Inside Rear View Mirror: Inspection

To determine if the EC mirror will dim, check it per the below procedure.

1. Turn the ignition key to the "ON" position.
2. Cover the front looking sensor.
3. Shine a flashlight into the rearward looking sensor.
4. The mirror should dim as soon as the rearward looking sensor detects the high light level.
   NOTE: If this test is performed in a bright area, the mirror may darken as soon as the front looking sensor is covered.
5. Put the vehicle into reverse, the mirror should not dim.
6. Aim a flashlight at the front looking sensor and another flashlight at the rearward looking sensor. The mirror should not darken.