How child door lock works and lock/unlock feature - Model - NN-CD66NS

How child door lock works - Cooking:
1.Press door release button to open door.
2.Put in your beverage or food item to cook or heat in the Microwave.
3.Set your programing and press start.
While the Microwave is running if you push the door release button the door will not open for safety.
The Open Door button is required to be pushed first and then the release door button in order for the door to be opened.
Turning Child Lock Off Model NN-CD66NS:
1.Press [Frozen Pizza]
2.Press [Timer/Clock (Door Open) ]
3.Press [Popcorn].
Turning Child Lock On repeat the steps above.