Black dots on the car windscreen are called frits, but many drivers have no idea how vital they are for safety. Here's everything you need to know about the overlooked feature.

Black dots located on the windscreen of every petrol and diesel vehicle on the road have a secret second purpose, according to leading experts.

Drivers have long looked at the little black dots on the sides of their windscreens and wondered what exactly they are needed for. The answer is far more than mere aesthetics, as the thick black strip ...

Many motorists are discovering that the small black dots along the edge of their car windscreens - whether petrol, diesel, or electric - play a crucial role in their driving experience.

12:16, Mon, Mar 24, 2025 Updated: 12:16, Mon, Mar 24, 2025 Motorists are learning that the small black dots placed around the outside of petrol, diesel and electric car windscreens actually serve ...

A frit is a painted black enamel that's baked around the borders of a windscreen during the manufacturing process. They often start out as solid black bands near the edge, and gradually dissolve ...

But the black dots help to spread out the heat on the windscreen, and hence help to lessen the phenomenon. They also help to keep the windscreen attached to the car.

The significance of these black dots is such that motorists should take immediate action if they spot any serious issues cropping up. Neglecting this could hit drivers' wallets hard, with ...