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/InstallationFilament Repair
1. Clean the filament using isopropyl alcohol.
2. Attach tape to both sides of the filament.
3. Using a small brush or marking pen, apply silver paint.
4. After 2—3 min, carefully remove the tape without damaging the applied
area.
CAUTION:
Do not operate the rear window defro ...
Theft Deterrent System Clearing Freeze Frame Data
1. Connect the M-MDS (IDS) to the DLC–2.
2. After the vehicle is identified, select the following items from the initialization
screen of the IDS.
Select “Body”.
Select "Burglar Service Functions".
3. Then, select the following item from the screen menu. ...
Hill Launch Assist (HLA)
Hill Launch Assist (HLA) is a function
which assists the driver in accelerating
from a stop while on a slope. When
the driver releases the brake pedal and
depresses the accelerator pedal while
on a slope, the function prevents the
vehicle from rolling. The braking force is
maintained automati ...