Read the following text to answer questions number 4 to 6.

EASY TO USE AND EFFICIENT

The new Megatron™ microwave oven brings the latest cooking technology into your kitchen. This microwave oven uses state of the art magnetic technology to heat your food electronically. It is safe, clean, and most of all, very efficient. Just follow the steps below:

1. Plug in the microwave. No need to press an ON button, the microwave is always ready to use! It is in a standby mode to save power.
2. Put your food in the Mega ™ microwave bowl. Made from durable non-stick plastic. Multi-purpose and easy to clean. Come free with your purchase of that Megatron™ microwave oven.
3. Put the bowl into the microwave, close the oven door.
4. Press the Auto Cook Button. Choose from the options: Meat, Vegetable, Rice, Cake and Microwave Meal.
5. Press the START button. The microwave oven will cook the food in a matter of minutes. It will stop automatically when the food is done.
6. When the microwave stops, press the open button and take the bowl out of the oven. Your meal is ready to serve.

What must we do first if we want to operate the new Megatron microwave oven?