If your oven shows the word 'auto' or the letter 'A' then it is in the automatic mode and will not start, and the internal light will not come on. It will need to be set into the manual operation mode.
Look for the button with a hand symbol, press and release this and then use the '+' or '-' keys to adjust the time of day. Once you have set the clock to display the time of day release the buttons and the display should show the cook pot symbol. The oven is now ready to start cooking.
cook pot symbol