Which is the coldest refrigerator scale from 0 to 7: the seventh gear is the coldest, which is the forced cold gear. When the weather is cold, the temperature can generally be adjusted to the fifth gear, and when it is cold, it will continue to be adjusted to a higher position; When the weather is hot, the temperature can generally be adjusted to the third gear, and when it is hot, it will be adjusted to a lower position. However, there are also some refrigerators whose gear position is opposite to the temperature adjustment method, that is, the higher the gear position, the lower the temperature.