Foggy on Rainy Days: Turn on Hot or Cold Air Conditioning?
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On rainy days when fogging occurs, turn on the cold air conditioning. Here are the correct steps: 1. Turn on the cold air: Fogging on the windshield is caused by a significant temperature difference between the inside and outside of the vehicle. If the driving conditions are complex, using cold air can quickly remove the fog from the windshield. 2. Switch to warm air after the fog clears: Once the fog is removed, gradually adjust the temperature to the warm air setting in multiple steps to prevent the fog from reappearing. Note: Although hot air can also defog, using hot air to defog the windshield on rainy days can worsen the fogging.