5 Hidden Dangers of Driving with a Cracked Windshield

Flash Auto Glass • August 14, 2025

Cracked Windshield? Here's What You're Risking on the Road

A cracked windshield is a common issue many drivers ignore, considering it a minor inconvenience rather than a serious safety concern. However, driving with a damaged windshield can pose significant hidden dangers that could compromise your safety and that of others on the road. In this blog, we’ll explore five of these hidden risks, including the impact on advanced driver-assistance systems (ADAS) technology, which is becoming increasingly integral to modern vehicles.


1. Reduced Structural Integrity


Your windshield isn’t just for visibility; it also plays a vital role in the structural integrity of your vehicle. When cracked, the windshield’s ability to withstand the forces of a collision diminishes. During a crash, the windshield helps support the roof and prevents it from collapsing, protecting the occupants. A compromised windshield is more likely to shatter or fail during an accident, increasing the risk of severe injury.


2. Impaired Visibility and Distraction


Though it may seem obvious, many drivers underestimate how a crack can worsen visibility. Cracks can distort the view, especially when sunlight hits them or during nighttime driving with oncoming headlights. This impairment can lead to hazardous driving conditions, such as misjudging distances or failing to see obstacles. Additionally, a crack can grow over time, becoming larger and more distracting, increasing the likelihood of accidents.


3. Airbag Deployment Risks


Modern vehicles often have airbag systems that rely on sensors and the integrity of the windshield. A cracked windshield can interfere with the proper deployment of airbags during a collision. In some cases, the windshield may not support the airbag correctly, causing it to deploy improperly or not at all, which can lead to increased injuries for vehicle occupants.


4. Compromised ADAS Technology


One of the most significant hidden dangers of driving with a cracked windshield is the impact on the vehicle’s advanced driver-assistance systems (ADAS). These systems—including lane departure warnings, adaptive cruise control, automatic emergency braking, and collision avoidance—depend heavily on sensors and cameras mounted on or near the windshield. A crack in the windscreen can distort or block these sensors, impairing their accuracy and function.


In vehicles with a forward-facing camera embedded behind the windshield, even a small crack can affect its field of view. This can lead to false alarms, failure to detect obstacles, or complete system failures. Without fully operational ADAS, drivers lose valuable safety features that assist in avoiding accidents, increasing the risk of collisions, especially in high-speed situations or complex traffic conditions.


5. Increased Likelihood of Ticketing and Legal Issues


Driving with a cracked windshield is often illegal in many regions and can result in fines or citations. Even if not immediately enforced, neglecting to repair a crack can lead to legal repercussions if you’re involved in an accident and found to have been driving a vehicle in an unsafe condition. Insurance premiums may also increase, and some insurance companies might refuse coverage if your car is deemed dangerous due to a cracked windshield.


Bottom Line


While a small crack in your windshield might seem harmless, it exposes you to multiple hidden dangers that can jeopardize your safety and legal standing. The structural integrity of your vehicle, visibility, airbag effectiveness, and cutting-edge ADAS technology all depend on a clear and intact windshield. Getting cracks and chips repaired or replaced promptly not only ensures your safety but also maintains the optimal functioning of your vehicle’s safety systems, giving you peace of mind on the road. The best way to stay safe while driving is to address issues early, before they become significant hazards.


Do You Have a Chip or Crack in Your Windshield in the Chicagoland Area?


If your windshield or auto glass has a chip or crack in Elk Grove Village, Bedford Park, Joliet, or Chicago, IL, contact us at Flash Auto Glass. We offer insurance assistance to help your claim move through the system more quickly.

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