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Condensation in your car

What causes it?

It’s first thing in the morning, it’s cold and you’re running late for work – but the car’s completely misted up inside - sound familiar? We know moisture in your car can be frustrating, especially during the cold and wet months, so here's what you need to do to prevent condensation.

car condensation

What causes condensation in cars?

Condensation forms when warm air containing moisture comes into contact with a cold surface, like:

  • The conflict of temperatures and moisture levels on the inside and outside of your car – a common occurrence during the cold and wet weather
  • Damp items left in the car, such as an umbrella or a coat
  • Hot and steamy food or drinks, and rubbish left in the car
  • Leaks in the doors, windows or the sunroof (if you have one)
  • Damp carpets or car mats
  • Coolant leaking from the heater matrix into your car
  • Limited circulation of fresh air

How to get rid of car condensation

Once you’ve uncovered the cause of your moisture problem, make sure you remove any damp items from your car and leave them to dry elsewhere. If you’ve identified an issue with damaged seals or a leaking heater, it’s worth taking your car to the garage before it becomes a bigger problem.

If you regularly find yourself with a misty view from your car, allow yourself a few extra minutes in the morning and follow this guide before taking off.

  • Turn on the heaters that blow directly onto your windscreen
  • Turn on the air-conditioning, as this helps to remove the moisture in the air
  • Open the car windows a couple of inches, to allow the build-up of moisture to escape from the car

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