What do C and H on JAC Ruifeng s3 dashboard mean?

C and H on JAC Ruifeng s3 dashboard are used to display the water temperature inside the car, which is called the water thermometer on the dashboard. C on the dashboard stands for COOL, which means cold, and H stands for HOT, which means hot. C and H are used to display the water temperature of the car, and they are called water thermometer on the dashboard, reflecting the temperature of the coolant in the car engine. The temperature of automobile engine coolant should be kept within the normal range. In the thermometer, red H indicates that the water temperature is too high, blue C indicates that the water temperature is too low, and the thermometer is not bright, indicating that the water temperature is normal.