diff --git a/lib/modules/platform/github/index.ts b/lib/modules/platform/github/index.ts
index c6a14a41da28a4..7cfb7f2359a7e8 100644
--- a/lib/modules/platform/github/index.ts
+++ b/lib/modules/platform/github/index.ts
@@ -1770,7 +1770,9 @@ export function massageMarkdown(input: string): string {
       'href="https://togithub.com/'
     )
     .replace(regEx(/]\(https:\/\/github\.com\//g), '](https://togithub.com/')
-    .replace(regEx(/]: https:\/\/github\.com\//g), ']: https://togithub.com/');
+    .replace(regEx(/]: https:\/\/github\.com\//g), ']: https://togithub.com/')
+    .replace('> ⚠ **Warning**\n> \n', '> [!WARNING]\n')
+    .replace('> ❗ **Important**\n> \n', '> [!IMPORTANT]\n');
   return smartTruncate(massagedInput, GitHubMaxPrBodyLen);
 }
 
diff --git a/lib/workers/repository/__snapshots__/dependency-dashboard.spec.ts.snap b/lib/workers/repository/__snapshots__/dependency-dashboard.spec.ts.snap
index 6440ae199c4b9a..1699d077715098 100644
--- a/lib/workers/repository/__snapshots__/dependency-dashboard.spec.ts.snap
+++ b/lib/workers/repository/__snapshots__/dependency-dashboard.spec.ts.snap
@@ -6,11 +6,10 @@ exports[`workers/repository/dependency-dashboard ensureDependencyDashboard() che
 
 ---
 
-### ⚠ Dependency Lookup Warnings ⚠
-
--   Renovate failed to look up the following dependencies: \`dependency-2\`.
-
-Files affected: \`package.json\`
+> [!WARNING]
+> Renovate failed to look up the following dependencies: \`dependency-2\`.
+> 
+> Files affected: \`package.json\`
 
 ---
 
diff --git a/lib/workers/repository/errors-warnings.spec.ts b/lib/workers/repository/errors-warnings.spec.ts
index 0c508c1d21c766..e93d5564400098 100644
--- a/lib/workers/repository/errors-warnings.spec.ts
+++ b/lib/workers/repository/errors-warnings.spec.ts
@@ -85,9 +85,9 @@ describe('workers/repository/errors-warnings', () => {
         "
         ---
 
-        ### ⚠ Dependency Lookup Warnings ⚠
-
-        Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information.
+        > ⚠ **Warning**
+        > 
+        > Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
 
         "
       `);
@@ -133,9 +133,9 @@ describe('workers/repository/errors-warnings', () => {
         "
         ---
 
-        ### ⚠ Dependency Lookup Warnings ⚠
-
-        Warnings were logged while processing this repo. Please check the logs for more information.
+        > ⚠ **Warning**
+        > 
+        > Some dependencies could not be looked up. Check the warning logs for more information.
 
         "
       `);
@@ -197,11 +197,11 @@ describe('workers/repository/errors-warnings', () => {
         "
         ---
 
-        ### ⚠ Dependency Lookup Warnings ⚠
-
-        -   Renovate failed to look up the following dependencies: \`dependency-1\`, \`dependency-2\`.
-
-        Files affected: \`package.json\`, \`backend/package.json\`, \`Dockerfile\`
+        > ⚠ **Warning**
+        > 
+        > Renovate failed to look up the following dependencies: \`dependency-1\`, \`dependency-2\`.
+        > 
+        > Files affected: \`package.json\`, \`backend/package.json\`, \`Dockerfile\`
 
         ---
 
@@ -304,15 +304,15 @@ describe('workers/repository/errors-warnings', () => {
       expect(res).toMatchInlineSnapshot(`
         "
         ---
-
-        ### ⚠ Dependency Lookup Warnings ⚠
-
-        Please correct - or verify that you can safely ignore - these lookup failures before you merge this PR.
-
-        -   \`Warning 1\`
-        -   \`Warning 2\`
-
-        Files affected: \`package.json\`, \`backend/package.json\`, \`Dockerfile\`
+        > 
+        > ⚠ **Warning**
+        > 
+        > Please correct - or verify that you can safely ignore - these dependency lookup failures before you merge this PR.
+        > 
+        > -   \`Warning 1\`
+        > -   \`Warning 2\`
+        > 
+        > Files affected: \`package.json\`, \`backend/package.json\`, \`Dockerfile\`
 
         "
       `);
diff --git a/lib/workers/repository/errors-warnings.ts b/lib/workers/repository/errors-warnings.ts
index b4932e189009db..e60487e5f51f2b 100644
--- a/lib/workers/repository/errors-warnings.ts
+++ b/lib/workers/repository/errors-warnings.ts
@@ -74,15 +74,13 @@ export function getDepWarningsOnboardingPR(
   if (!warnings.length) {
     return '';
   }
-  warningText = emojify(
-    `\n---\n\n### :warning: Dependency Lookup Warnings :warning:\n\n`
-  );
-  warningText += `Please correct - or verify that you can safely ignore - these lookup failures before you merge this PR.\n\n`;
+  warningText = emojify(`\n---\n> \n> :warning: **Warning**\n> \n`);
+  warningText += `> Please correct - or verify that you can safely ignore - these dependency lookup failures before you merge this PR.\n> \n`;
   for (const w of warnings) {
-    warningText += `-   \`${w}\`\n`;
+    warningText += `> -   \`${w}\`\n`;
   }
   warningText +=
-    '\nFiles affected: ' +
+    '> \n> Files affected: ' +
     warningFiles.map((f) => '`' + f + '`').join(', ') +
     '\n\n';
   return warningText;
@@ -101,14 +99,12 @@ export function getDepWarningsPR(
   if (!warnings.length) {
     return '';
   }
-  warningText = emojify(
-    `\n---\n\n### :warning: Dependency Lookup Warnings :warning:\n\n`
-  );
-  warningText += 'Warnings were logged while processing this repo. ';
+  warningText = emojify(`\n---\n\n> :warning: **Warning**\n> \n`);
+  warningText += '> Some dependencies could not be looked up. ';
   if (dependencyDashboard) {
-    warningText += `Please check the Dependency Dashboard for more information.\n\n`;
+    warningText += `Check the Dependency Dashboard for more information.\n\n`;
   } else {
-    warningText += `Please check the logs for more information.\n\n`;
+    warningText += `Check the warning logs for more information.\n\n`;
   }
   return warningText;
 }
@@ -133,11 +129,10 @@ export function getDepWarningsDashboard(
     .join(', ');
 
   let warningText = emojify(
-    `\n---\n\n### :warning: Dependency Lookup Warnings :warning:\n\n`
+    `\n---\n\n> :warning: **Warning**\n> \n> Renovate failed to look up the following dependencies: `
   );
-  warningText += `-   Renovate failed to look up the following dependencies: `;
   warningText += depWarnings;
-  warningText += '.\n\nFiles affected: ';
+  warningText += '.\n> \n> Files affected: ';
   warningText += warningFiles.map((f) => '`' + f + '`').join(', ');
   warningText += '\n\n---\n\n';
   return warningText;
diff --git a/lib/workers/repository/update/pr/index.ts b/lib/workers/repository/update/pr/index.ts
index 8aefec5074c093..dbe17da722ef77 100644
--- a/lib/workers/repository/update/pr/index.ts
+++ b/lib/workers/repository/update/pr/index.ts
@@ -280,9 +280,10 @@ export async function ensurePr(
         upgrade.prBodyNotes = [
           ...upgrade.prBodyNotes,
           [
-            '\n',
-            ':warning: Release Notes retrieval for this PR were skipped because no github.com credentials were available.',
-            'If you are self-hosted, please see [this instruction](https://github.com/renovatebot/renovate/blob/master/docs/usage/examples/self-hosting.md#githubcom-token-for-release-notes).',
+            '> :exclamation: **Important**',
+            '> ',
+            '> Release Notes retrieval for this PR were skipped because no github.com credentials were available. ',
+            '> If you are self-hosted, please see [this instruction](https://github.com/renovatebot/renovate/blob/master/docs/usage/examples/self-hosting.md#githubcom-token-for-release-notes).',
             '\n',
           ].join('\n'),
         ];