diff --git a/.clang-format b/.clang-format
index b41fae9129e..cd54eb45dde 100644
--- a/.clang-format
+++ b/.clang-format
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 # Modified from https://github.com/ament/ament_lint/blob/master/ament_clang_format/ament_clang_format/configuration/.clang-format
 Language: Cpp
 BasedOnStyle: Google
diff --git a/.clang-tidy b/.clang-tidy
index f5eccdf3cc7..de12fb605c8 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 Checks: "
   -*,
   boost-use-to-string,
diff --git a/.github/ISSUE_TEMPLATE/bug.yaml b/.github/ISSUE_TEMPLATE/bug.yaml
index 12a857998a0..5c74f7c5e4d 100644
--- a/.github/ISSUE_TEMPLATE/bug.yaml
+++ b/.github/ISSUE_TEMPLATE/bug.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: Bug
 description: Report a bug
 body:
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
index 48765c24a7b..deccbf336f6 100644
--- a/.github/ISSUE_TEMPLATE/config.yml
+++ b/.github/ISSUE_TEMPLATE/config.yml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 blank_issues_enabled: false
 contact_links:
   - name: Question
diff --git a/.github/ISSUE_TEMPLATE/task.yaml b/.github/ISSUE_TEMPLATE/task.yaml
index cd8322f5074..58307325ce4 100644
--- a/.github/ISSUE_TEMPLATE/task.yaml
+++ b/.github/ISSUE_TEMPLATE/task.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: Task
 description: Plan a task
 body:
diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
index 0264c035357..8fd9b7f4ae0 100644
--- a/.github/dependabot.yaml
+++ b/.github/dependabot.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 version: 2
 updates:
   - package-ecosystem: github-actions
diff --git a/.github/stale.yml b/.github/stale.yml
index bc99e4383ca..ffce036c8d0 100644
--- a/.github/stale.yml
+++ b/.github/stale.yml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 # Modified from https://github.com/probot/stale#usage
 
 # Number of days of inactivity before an Issue or Pull Request with the stale label is closed
diff --git a/.github/workflows/cancel-previous-workflows.yaml b/.github/workflows/cancel-previous-workflows.yaml
index bd2463d5a8e..ee79ce0e4d4 100644
--- a/.github/workflows/cancel-previous-workflows.yaml
+++ b/.github/workflows/cancel-previous-workflows.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: cancel-previous-workflows
 
 on:
diff --git a/.github/workflows/comment-on-pr.yaml b/.github/workflows/comment-on-pr.yaml
index c80141ddac6..0f2ecf519db 100644
--- a/.github/workflows/comment-on-pr.yaml
+++ b/.github/workflows/comment-on-pr.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: comment-on-pr
 on:
   pull_request_target:
diff --git a/.github/workflows/github-release.yaml b/.github/workflows/github-release.yaml
index 4b1d7f47c6c..bbe2ac512d7 100644
--- a/.github/workflows/github-release.yaml
+++ b/.github/workflows/github-release.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: github-release
 
 on:
diff --git a/.github/workflows/pre-commit-autoupdate.yaml b/.github/workflows/pre-commit-autoupdate.yaml
index 8d57a53b5cc..489e32a1de1 100644
--- a/.github/workflows/pre-commit-autoupdate.yaml
+++ b/.github/workflows/pre-commit-autoupdate.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: pre-commit-autoupdate
 
 on:
diff --git a/.github/workflows/pre-commit-optional-autoupdate.yaml b/.github/workflows/pre-commit-optional-autoupdate.yaml
index a9fe00401a1..be79ad481d1 100644
--- a/.github/workflows/pre-commit-optional-autoupdate.yaml
+++ b/.github/workflows/pre-commit-optional-autoupdate.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: pre-commit-optional-autoupdate
 
 on:
diff --git a/.github/workflows/pre-commit-optional.yaml b/.github/workflows/pre-commit-optional.yaml
index 12f536c5516..3d0867028f7 100644
--- a/.github/workflows/pre-commit-optional.yaml
+++ b/.github/workflows/pre-commit-optional.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: pre-commit-optional
 
 on:
diff --git a/.github/workflows/semantic-pull-request.yaml b/.github/workflows/semantic-pull-request.yaml
index 71224c224ec..b56040b084f 100644
--- a/.github/workflows/semantic-pull-request.yaml
+++ b/.github/workflows/semantic-pull-request.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: semantic-pull-request
 
 on:
diff --git a/.github/workflows/spell-check-daily.yaml b/.github/workflows/spell-check-daily.yaml
index f6a14d00d86..2ff647acf03 100644
--- a/.github/workflows/spell-check-daily.yaml
+++ b/.github/workflows/spell-check-daily.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: spell-check-daily
 
 on:
@@ -15,7 +19,6 @@ jobs:
       - name: Run spell-check
         uses: autowarefoundation/autoware-github-actions/spell-check@v1
         with:
-          local-cspell-json: .cspell.json
           incremental-files-only: false
           cspell-json-url: https://raw.githubusercontent.com/tier4/autoware-spell-check-dict/main/.cspell.json
           dict-packages: |
diff --git a/.github/workflows/spell-check-differential.yaml b/.github/workflows/spell-check-differential.yaml
index 90d59626723..e3af4327f21 100644
--- a/.github/workflows/spell-check-differential.yaml
+++ b/.github/workflows/spell-check-differential.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: spell-check-differential
 
 on:
diff --git a/.github/workflows/sync-files.yaml b/.github/workflows/sync-files.yaml
index 0cffbcd2a26..9224c1503ed 100644
--- a/.github/workflows/sync-files.yaml
+++ b/.github/workflows/sync-files.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 name: sync-files
 
 on:
diff --git a/.markdownlint.yaml b/.markdownlint.yaml
index 7b7359fe0cd..584154b2009 100644
--- a/.markdownlint.yaml
+++ b/.markdownlint.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 # See https://github.com/DavidAnson/markdownlint/blob/main/doc/Rules.md for all rules.
 default: true
 MD013: false
diff --git a/.pre-commit-config-optional.yaml b/.pre-commit-config-optional.yaml
index 8c9345e15f0..ff325af5e87 100644
--- a/.pre-commit-config-optional.yaml
+++ b/.pre-commit-config-optional.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 repos:
   - repo: https://github.com/tcort/markdown-link-check
     rev: v3.12.2
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b99c5e1c20c..e6dcc3f464a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 ci:
   autofix_commit_msg: "style(pre-commit): autofix"
 
diff --git a/.prettierignore b/.prettierignore
index a3c34d00a13..3e96aacebba 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,2 +1,6 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 *.param.yaml
 *.rviz
diff --git a/.prettierrc.yaml b/.prettierrc.yaml
index e29bf327627..fe476936f7b 100644
--- a/.prettierrc.yaml
+++ b/.prettierrc.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 printWidth: 100
 tabWidth: 2
 overrides:
diff --git a/.yamllint.yaml b/.yamllint.yaml
index 2c7bd088e26..e0be62dbcb1 100644
--- a/.yamllint.yaml
+++ b/.yamllint.yaml
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 extends: default
 
 ignore: |
diff --git a/CPPLINT.cfg b/CPPLINT.cfg
index ba6bdf08c10..81869c92be6 100644
--- a/CPPLINT.cfg
+++ b/CPPLINT.cfg
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 # Modified from https://github.com/ament/ament_lint/blob/ebd524bb9973d5ec1dc48a670ce54f958a5a0243/ament_cpplint/ament_cpplint/main.py#L64-L120
 set noparent
 linelength=100
diff --git a/setup.cfg b/setup.cfg
index 5214751c7ba..4d7d5e5b959 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,7 @@
+# This file is automatically synced from:
+# https://github.com/autowarefoundation/sync-file-templates
+# To make changes, update the source repository and follow the guidelines in its README.
+
 [flake8]
 # Modified from https://github.com/ament/ament_lint/blob/ebd524bb9973d5ec1dc48a670ce54f958a5a0243/ament_flake8/ament_flake8/configuration/ament_flake8.ini
 extend-ignore = B902,C816,D100,D101,D102,D103,D104,D105,D106,D107,D203,D212,D404,I202,CNL100,E203,E501,Q000