Tools/raw materials: Haier refrigerator BCD262WDGG, thermometer.

1, open the refrigerator, you can see the temperature adjustment button, a * * * has 0~7 files, the higher the number, the lower the temperature, as shown in the figure below.

2. Switching to zero gear will stop cooling, as shown in the figure below.

3. Shift from 3rd gear to 4th gear in the Spring and Autumn Period, as shown below.

4. Shift from 5th gear to 6th gear in summer, as shown below.

5. Change gear 2 to gear 3 in winter, as shown below.