Heatwave Emergencies – Is Your Cracked Windshield One of Them?
Can Extreme Heat Crack My Windshield?
Yes, it is possible - IF you already have a crack in your windshield; a rock chip or damage from other flying debris.
At What Temperature Could My Windshield Crack?
Once the temperature rises above 100 degrees, you're cracked windshield could be a real problem.
Why Does the Temperature Affect My Cracked Windshield?
Glass contracts and expands with the temperature. It's especially bad if you have an extremely hot day that gets much cooler overnight.
Is it Dangerous to Drive with a Cracked Windshield?
Yes. Hitting a pothole could impact your windshield. You could be one more rock chip away from a dangerous situation. Imagine being on the freeway, going 70 mph when your windshield cracks apart. And then there are the aforementioned extreme temperatures. Don't gamble with your safety.
Will My Cracked Windshield Explode from the Extreme Heat?
An exploding windshield would be remarkable. It's not something you should expect to be a danger. However, it can fracture more, splintering and cracking until it resembles a spiderweb and falls away.
Can Any of My Car Windows Explode in Extreme Heat?
Your side windows and rear windshield are more susceptible to this. If it happens, it wasn't just due to the heat on a particular day, it was likely because of micro-fractures that developed over time with falling and rising temps, the glass expanding and contracting. Other stressors, as mentioned above, include rock chips, and impact from potholes. Compromised glass always has the potential to get worse.
Will Parking in the Shade Protect My Windshield from Extreme Heat?
Some say yes. And it will definitely feel better than sitting your bare legs on a hot car seat. But it won't drop your car temperature by that much, even with the windows down a smidge.
However, parking in the shade is good for your paint job, and interior plastics. A sunscreen also helps with the latter.
My Windshield is Cracked - What Should I Do?
You should get it fixed as soon as you are able to. It's always a good idea to do so.
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