1. When location is turned on, the Location icon will be displayed in the Notification bar.
   
2. When GPS is turned on, the GPS icon will be displayed in the Notification bar.
   
3. When Bluetooth is turned on, the Bluetooth icon will be displayed in the Notification bar.
   
4. When a song is playing, the Music player icon will be displayed in the Notification bar.
   
5. When Airplane mode is turned on, the Airplane mode icon will be displayed in the Notification bar.