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How to know when to replace your windshield: the signs not to ignore?

Posted on February 25, 2025
Reading time of 5 min.
Written by Thierry
Table of contents

The windshield is much more than just glass. It plays a key role in the safety, structural rigidity of your vehicle and your driving comfort. However, it is often overlooked... until it is too late.

At Tree Glass, we regularly see cases where drivers drive with damaged windshields, thinking it's “not that bad.” But even a small chip or crack can get worse quickly and compromise your safety. So here are the key signs that should alert you:

1. An impact on the field of vision : if it obstructs the driver's sight, the windshield must be replaced to ensure safe driving.

2. A crack that extends : temperature variations or road vibrations can transform a small chip into a long crack.

3. An impact of more than 2 cm : when it exceeds the size of a 2 CHF/2€ room, a repair becomes risky or ineffective.

4. Multiple flashes : several impacts weaken the structure of the glass, increasing the risk of explosion in the event of an accident.

5. Defects close to the edges : these areas are particularly sensitive because they support the integrity of the windshield.

6. A defog malfunction : if the fog persists despite the heating system, this may indicate damaged or poorly installed glazing.

Our advice: don't wait for the situation to get worse. Make an appointment at the first worrying sign. At Tree Glass, we intervene quickly, with quality parts, and above all, each replacement supports reforestation through our ecological commitment.

Intact windows ensure your safety — and one more tree for the planet.

Need a windshield replacement?

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A tree planted for each windshield replaced

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Don't let an impact or crack compromise your safety. Our experts work everywhere in Switzerland, without advance costs and with a gesture for the planet.