Prolonged parking under the sun may damage your car

What you can do to reduce or avoid the adverse effects of strong sunlight on your car.

You park your car outside in the open - just for the day. Then the next day and so on, until It becomes routine due to where you need to be. Your car sits, basking in the sun and exposed to the elements. 

You might think your car is a tough machine, but leaving it parked under direct sunlight for prolonged periods may cause mechanical issues and/or unexpected damage. However, there are ways to prevent further damage to your pride and joy.

Dangerous interior temperature

We have all rushed into a sunbaked car, blasting the air-con to escape the heat. But did you know the cabin can reach 50 to 70 deg C when parked under a mid-day sun for long enough? 

This kind of temperature and heat exposure could damage items inside the vehicle, such as electronic devices and personal belongings. In certain cases, aerosol cans or plastic water bottles might deteriorate or even explode.

Damage to interior parts

Prolonged sun exposure could damage interior materials like the dashboard, leather seats and steering wheel - causing them to fade, crack, or become brittle. Adhesives and plastic components may even melt, releasing unpleasant smells and requiring costly repairs.

Battery deterioration

Excessive heat can cause the car battery to work harder, accelerating the evaporation of its electrolyte fluid. This could shorten the battery’s lifespan and make it harder to start the engine.

Fading and dulling of paintwork

Ultraviolet (UV) radiation and heat from the sun would create chemical reactions in the car's body paint over time. Prolonged exposure to harsh sunlight could cause the paint to eventually fade, dull in colour, or even develop surface cracks. Large metal surfaces like the roof, bonnet and trunk are often the first to show signs of sun damage.

Accelerated tyre degradation

Tyres sitting in direct sunlight heat up significantly, thus creating thermal expansion and contraction that will cause internal stress to the tyre rubber. 

It also creates increased air pressure inside the tyre, potentially raising it beyond recommended levels, which might lead to premature wear and, in extreme cases, a tyre blowout.

How to protect your car from sun damage

• Park in the shade whenever possible, such as in a basement/multi-storey capark or under a tree.
• Use a windscreen sunshade to reduce cabin temperature and protect the dashboard.
• Apply a protective coating like wax or ceramic coating to prevent paint fade.
• Leave the windows slightly open (if safe) to allow air circulation and reduce heat buildup in the cabin.
• Regularly check the tyres and battery, especially in hot weather.

Avoiding exposure to the full brunt of the sun when parking your car may not always be possible, but understanding its negative effects and taking some precautions could help to keep your car's condition glowing and extend its lifespan!

Read More: Why your car air-con is blowing hot air instead of cold air

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