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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 rear bumper. (Refer to Body - "Rear Bumper") 3. Remove the BSD unit (A) after loosening the mounting nuts. Take care not to separate the bracket from rear bumper when removing the BSD sensor.
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