diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index ee6f9c0332718..2ad61fe8ebd24 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -17324,6 +17324,12 @@ public final class Settings {
             public static final String CLOCKWORK_LONG_PRESS_TO_ASSISTANT_ENABLED =
                     "clockwork_long_press_to_assistant_enabled";
 
+            /*
+             * Whether the device has Cooldown Mode enabled.
+             * @hide
+             */
+            public static final String COOLDOWN_MODE_ON = "cooldown_mode_on";
+
             /*
              * Whether the device has Wet Mode/ Touch Lock Mode enabled.
              * @hide
diff --git a/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java b/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java
index 246466e16c74e..bbfab0bfa792e 100644
--- a/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java
+++ b/packages/SettingsProvider/src/android/provider/settings/validators/GlobalSettingsValidators.java
@@ -314,6 +314,7 @@ public class GlobalSettingsValidators {
         VALIDATORS.put(Global.USER_PREFERRED_RESOLUTION_HEIGHT, ANY_INTEGER_VALIDATOR);
         VALIDATORS.put(Global.USER_PREFERRED_RESOLUTION_WIDTH, ANY_INTEGER_VALIDATOR);
         VALIDATORS.put(Global.Wearable.WET_MODE_ON, BOOLEAN_VALIDATOR);
+        VALIDATORS.put(Global.Wearable.COOLDOWN_MODE_ON, BOOLEAN_VALIDATOR);
     }
 }
 
diff --git a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
index 13ae87015fa41..3de1fb2b4ba40 100644
--- a/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
+++ b/packages/SettingsProvider/test/src/android/provider/SettingsBackupTest.java
@@ -659,7 +659,8 @@ public class SettingsBackupTest {
                     Settings.Global.Wearable.CLOCKWORK_SYSUI_MAIN_ACTIVITY,
                     Settings.Global.Wearable.CLOCKWORK_LONG_PRESS_TO_ASSISTANT_ENABLED,
                     Settings.Global.Wearable.WEAR_ACTIVITY_AUTO_RESUME_TIMEOUT_SET_BY_USER,
-                    Settings.Global.Wearable.WET_MODE_ON);
+                    Settings.Global.Wearable.WET_MODE_ON,
+                    Settings.Global.Wearable.COOLDOWN_MODE_ON);
 
     private static final Set<String> BACKUP_DENY_LIST_SECURE_SETTINGS =
              newHashSet(