| Components |

Description The ECM (Electro Chromatic inside rear view Mirror) automatically dims when it senses light reflecting in the rear view mirror. The forward facing sensor detects brightness of the surroundings, while the rearward looking sensor is for the light from the rear.
Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the driver crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the start/stop button (A) from the center fascia garnish after loosening the mounting clip.
Diagnosis With GDS 1. BSD system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis. 2. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, and turn on the GDS.