4SD
1. Disconnect the negative battery cable..
2. Remove the trunk lid trim..
3. Disconnect the connector.

4. Remove the nuts.
5. While pressing the tabs shown in the figure, pull the high-mount brake light outward and remove it.

6. Remove the high-mount brake light.
7. Install in the reverse order of removal.
5HB
Except Mazdaspeed3
1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. While pressing the tabs shown in the figure, pull the high-mount brake light outward and remove it.

4. Remove the high-mount brake light socket.

5. Remove the high-mount brake light.
6. Install in the reverse order of removal.
Mazdaspeed3
1. Disconnect the negative battery cable..
2. Remove the liftgate upper trim..
3. Remove the rear spoiler..
4. Remove the screws shown in the figure.

5. Set the pin aside and remove the cover.

6. Remove the screws shown in the figure.

7. Pull out the wiring harness from the rear spoiler.

8. Remove the high-mount brake light.
9. Install in the reverse order of removal.
High Mount Brake Light Disassembly/Assembly
License Plate Light Bulb Removal/InstallationFront Brake (Disc) Removal/Installation [Mzr 2.0, Skyactiv G 2.0, Mzr 2.5]
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. After installation, pump the brake pedal a few times and verify that the brakes
do not drag.
1
Brake hose
(See Brake Hose Installation Note.)
2
...
Starting the Engine
WARNING
Radio waves from the key may aff ect
medical devices such as pacemakers:
Before using the key near people who
use medical devices, ask the medical
device manufacturer or your physician
if radio waves from the key will aff ect
the device.
NOTE
The key mus ...
Battery Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
1
Battery cover
(See Battery Cover Removal Note.)
(See Battery Cover Installation Note.)
2
Negative battery cable
3
...