diff --git a/automotive/vehicle/2.0/types.hal b/automotive/vehicle/2.0/types.hal
index 2e6fa25..341aae7 100644
--- a/automotive/vehicle/2.0/types.hal
+++ b/automotive/vehicle/2.0/types.hal
@@ -2527,14 +2527,21 @@
      * int32[5]: 0   // user #0  (usersInfo.existingUsers[0].userId)
      * int32[6]: 1   // flags of user #0  (usersInfo.existingUsers[0].flags)
      *
-     * And if the HAL want to respond with the creation of an admin user called "Admin", the
+     * And if the HAL want to respond with the creation of an admin user called "Owner", the
      * response would be:
      *
-     * int32[0]: 42    // must match the request id from the request
-     * int32[1]:  2    // action = InitialUserInfoResponseAction::CREATE
-     * int32[2]: -1    // userToSwitchOrCreate.userId (not used as user will be created)
-     * int32[3]:  8    // userToSwitchOrCreate.flags = ADMIN
-     * string: "Admin" // userNameToCreate
+     * int32[0]: 42      // must match the request id from the request
+     * int32[1]:  2      // action = InitialUserInfoResponseAction::CREATE
+     * int32[2]: -1      // userToSwitchOrCreate.userId (not used as user will be created)
+     * int32[3]:  8      // userToSwitchOrCreate.flags = ADMIN
+     * string: "||Owner"  // userLocales + separator + userNameToCreate
+     *
+     * Notice the string value represents multiple values, separated by ||. The first value is the
+     * (optional) system locales for the user to be created (in this case, it's empty, meaning it
+     * will use Android's default value), while the second value is the (also optional) name of the
+     * to user to be created (when the type of response is InitialUserInfoResponseAction:CREATE).
+     * For example, to create the same "Owner" user with "en-US" and "pt-BR" locales, the string
+     * value of the response would be "en-US,pt-BR||Owner".
      *
      * NOTE: if the HAL doesn't support user management, then it should not define this property,
      * which in turn would disable the other user-related properties (for example, the Android
@@ -4367,6 +4374,12 @@
      * Name of the user that should be created.
      */
     string userNameToCreate;
+
+    /**
+     * System locales of the initial user (value will be passed as-is to
+     * android.provider.Settings.System.SYSTEM_LOCALES)
+     */
+    string userLocales;
 };
 
 /**