There's an important purpose behind black dots on your car's windscreen

Black dots on windscreen

You may have noticed that car windows and windscreens often have a bunch of black dots along some of their edges.

And if you've spotted them, you're probably wondering why they are there.

Now Reader's Digest claim to have come up with not one, but two reasons for the inclusion of the dots on cars across the world.

Find out more in the video above.

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