LG's Smart Diagnosis is a fast and easy way to troubleshoot issues. Simply call the LG Helpline and place the phone on the appliance.  Auto Smart Connect is a technology that helps connect your refrigerator to home inverter. Once the refrigerator is connected to the home inverter, every time the power goes off it automatically takes inverter power to run the refrigerator without any manual supervision.  Additional shelf at the door side for convenience in storing items.