5. There should be sufficient in the reservoir for cooking, however water can be added to prolong the cooking process. 6. Do not allow the reservoir to run dry. 7. For food with different cooking times, place the food with the longer cooking time in the lower bowl. As soon as the timer reaches the time for the food with the shorter cooking time, remove the lid with a cloth and place the upper bowl on the bottom bowl and replace the lid. 8. Switch off the appliance at the end of the cooking process.