There's a lot of features you might not know about your car.
Luckily motoring experts are there to reveal everything little thing about your vehicle. Now have you ever wondered what the black dots on your windscreen really mean?
A car salesman recently revealed the purpose of those marks. According to Autoglaze, the spots, known as dot matrices, are to do with temperature.
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An expert claimed it was to do with distributing temperature evenly to reduce optical distortion or lensing when driving.
They added: "This happens when the frit band (the solid black one) heats up much faster than the windscreen's glass, creating an optical distortion that makes either straight lines look curved or bowed inwards toward the centre."
The dots also help "preserve the urethane sealant used to bond the glass to the frame" which ensures your windscreen firmly stays in place.
"They serve as a contact point between the glass and car frame," the expert continued. "They create etches on the surface, making them rougher so the adhesive can stick better to the glass."
Autograze continued: "Frits are also there for aesthetic purposes. If you look closely, the contrast between the dark band and the transparent glass can look too obvious even when viewed from afar.
"Creating a halftone pattern or dot-matrix allows a gradual decrease in size, making the transition much more subtle and easier on the eyes."
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People were amazed by the answer on Reddit, as one user said: "That is brilliant and simple. So simple it isn't believable but so believable it can't be that simple!"
Another user asked: "Okay, that makes sense. But why is it on the windshield, rear windshield, and quarter glass, but not on the operable windows?"
And third user concluded: "I am stunned at the amount that I have learned about frit today." It comes as one little-known rule could see drivers slapped with a £5,000 fine.
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