Index: dialin/common/msg_ids.py
===================================================================
diff -u -r8ac75cccb937866cb13c49a97e91bb9e1060a9d8 -r35ab0929ebeabda5c7a2c4eced8f6d0cf1a93435
--- dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 8ac75cccb937866cb13c49a97e91bb9e1060a9d8)
+++ dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 35ab0929ebeabda5c7a2c4eced8f6d0cf1a93435)
@@ -21,7 +21,7 @@
 @unique
 class MsgIds(DialinEnum):
     MSG_ID_UNUSED = 0x0
-    MSG_ID_POWER_OFF = 0x1
+    MSG_ID_OFF_BUTTON_PRESS_REQUEST = 0x1
     MSG_ID_ALARM_STATUS = 0x2
     MSG_ID_ALARM_TRIGGERED = 0x3
     MSG_ID_ALARM_CLEARED = 0x4
Index: dialin/hd/ui_proxy.py
===================================================================
diff -u -r350a114f0728459afcffd2faf0b0f04debaca36f -r35ab0929ebeabda5c7a2c4eced8f6d0cf1a93435
--- dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision 350a114f0728459afcffd2faf0b0f04debaca36f)
+++ dialin/hd/ui_proxy.py	(.../ui_proxy.py)	(revision 35ab0929ebeabda5c7a2c4eced8f6d0cf1a93435)
@@ -1819,4 +1819,33 @@
                                               message_id=MsgIds.MSG_ID_UI_ACTIVE_ALARMS_LIST_REQUEST.value)
 
         self.logger.debug("Sending active alarm list request msg to HD.")
-        self.can_interface.send(message, 0)
\ No newline at end of file
+        self.can_interface.send(message, 0)
+
+    def cmd_ui_off_button_response(self, reponse: int) -> int:
+        """
+        Constructs and sends a message to DG to set the status of the RO only mode:
+        0 = OFF_BUTTON_RSP_USER_REQUESTS_POWER_OFF                      # User requests power off response
+        1 = OFF_BUTTON_RSP_USER_CONFIRMS_POWER_OFF                      # User confirms power off response
+        2 = OFF_BUTTON_RSP_USER_REJECTS_POWER_OFF                       # User rejects power off response
+
+        @param response: (int) off button response to HD
+        @return: 1 if successful, zero otherwise
+        """
+        res = integer_to_bytearray(reponse)
+        payload = res
+
+        message = DenaliMessage.build_message(channel_id=DenaliChannels.ui_to_hd_ch_id,
+                                              message_id=MsgIds.MSG_ID_OFF_BUTTON_PRESS_REQUEST.value,
+                                              payload=payload)
+
+        self.logger.debug("Sending Power off message request with value {}".format(res))
+
+        received_message = self.can_interface.send(message)
+
+        # If there is content...
+        if received_message is not None:
+            # response payload is OK or not OK
+            return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
+        else:
+            self.logger.debug("Timeout!!!!")
+            return False
\ No newline at end of file