What causes fogging inside the windshield of a Suzuki Alto Lapin, and how can I prevent it?

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What causes fogging inside the windshield of a Suzuki Alto Lapin, and how can I prevent it?

Fogging inside the windshield is a recurring issue, especially during humid weather in Pakistan. What are the common causes, such as a malfunctioning HVAC system o r poor ventilation, and how can drivers prevent fogging to maintain clear visibility?

Gari Specialist asked on 27 Feb 2025 17:08:37 pm

1 Answer

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Gari Master - on 27 Feb 2025 17:11:58 pm

Fogging inside the windshield is typically caused by moisture in the air inside the car. This is common in humid weather conditions, especially in places like Pakistan. Here’s what could be causing the fog:

Humidity and Temperature Differences: When warm, moist air inside the car meets the cold windshield, condensation forms, causing fogging.

Clogged o r Malfunctioning HVAC System: If the vehicles air conditioning o r defroster is not working properly, it won’t effectively remove the moisture from the air inside the cabin.

Wet Items Inside the Car: Damp clothing, shoes, o r other wet items can contribute to excess moisture, leading to foggy windows.

Prevention Tips:

Use the defroster and air conditioning system to help clear the fog by lowering the humidity inside the vehicle.
Keep the windows cracked open slightly to allow airflow, especially on humid days.
Ensure that your air filters are clean and functioning, as a clogged filter can prevent effective defogging.
Use an anti-fog spray on the windshield to reduce the chances of fogging.
Solution: To prevent fogging, use the defroster, keep the air conditioning running, and ensure proper airflow inside the car. Clean air filters and anti-fog treatments can also help.