To use the vanity mirror, lower the sunvisor.
If your vehicle is equipped with a vanity mirror light, it will illuminate when you open the cover.
To prevent the battery from being discharged, the vanity mirror will only illuminate in the tilt range shown in the figure.

Sunvisors
Interior LightsMazda 6 Owners Manual: Smart City Brake Support (SCBS)
The Smart City Brake Support (SCBS) system alerts the driver of a possible collision
using an indication in the display and a warning sound when the Forward Sensing
Camera (FSC) detects a vehicle ahead and determines that a collision with a vehicle
ahead is unavoidable while the vehicle is bei ...
Mazda 6 Owners Manual: Power outside mirror inspection
1. Disconnect the power outside mirror connector.
2. Apply battery positive voltage to the power outside mirror terminals and
inspect the operation of the power outside mirror.
If not as specified, replace the power outside mirror.
3. Inspect for continuity between the power outside mi ...