Purpose
The high-mount brake light signals vehicles to the rear that the vehicle is stopped.
Function
The high-mount brake light illuminates in conjunction with the operation of the brake light switch.
Construction
The high-mount brake light is positioned on the roof.
The high-mount brake light has adopted an LED.
NOTE:
Fogging or condensation on the inside of the high-mount brake light may occur, however, it is a natural phenomenon occurring as a result of a temperature difference between the interior and exterior of the high-mount brake light and has no effect on the light performance. Fogging or condensation will dissipate when the temperature inside the high-mount brake light rises after the high-mount brake light is illuminated and a period of time has elapsed.

Operation
Brake lights
1. When the brake pedal is depressed, the brake light switch turns on.
2. When the brake light switch turns on, the high-mount brake light illuminates.

Fail-safe
Function not equipped.
Headlight Leveling Actuator
High Mount Brake Light Removal/InstallationSae Standards
In accordance with new regulations, SAE (Society of Automotive Engineers)
standard names and abbreviations are now used in this manual. The table below
lists the names and abbreviations that have been used in Mazda manuals up to
now and their SAE equivalents.
...
Liftgate Light Removal/Installation
NOTE:
Fogging or condensation on the inside of the liftgate light may occur, however,
it is a natural phenomenon occurring as a result of a temperature difference
between the interior and exterior of the liftgate lights and has no effect on
the light performance. Fogging or condensa ...
Identification Number Locations
Vehicle Identification Number (VIN)
If the VIN plate is adhered to the dashboard, it is located in the position
shown in the figure.
Engine Type/Number
SKYACTIV-G 2.0
SKYACTIV-G 2.5
...