What are the recommended temperature settings for the fridge and freezer?

For optimal performance, Samsung recommends setting the freezer to -19 °C and the fridge to 3 °C. The fridge temperature can be set between 1 °C and 7 °C, and the freezer between -15 °C and -23 °C. You can adjust these using the Fridge and Freezer buttons on the main panel. (Page 48, 49, 52)