A cracked windshield can be more than just a minor inconvenience; it poses significant safety risks and questions for drivers. One common concern is whether driving a car can exacerbate the condition of a cracked windshield. The expert team at Defender Auto Glass, renowned for providing superior automotive glass repair and replacement services, offers insights into how a cracked windshield can be affected by driving and the potential risks involved.

The Impact of Driving on a Cracked Windshield

Driving with a cracked windshield can indeed make the damage worse. Several factors contribute to the potential worsening of a crack, including:

  • Vibrations and Bumps: Normal road vibrations, bumps, and potholes can cause a crack to spread. The glass is already compromised, and additional stress can easily extend the damage.
  • Temperature Changes: Sudden changes in temperature, such as using the defroster or air conditioning on high settings, can cause the glass to expand and contract. This fluctuation can lead the crack to grow.
  • Pressure Changes: High speeds can lead to increased pressure against the windshield. This pressure can force a crack to expand, especially if the crack reaches the edges of the windshield where the glass is under more stress.
  • Moisture: Water can enter a crack and, when temperatures drop, freeze and expand. This expansion can further widen the crack.

The Safety Risks

Driving with a cracked windshield not only risks further damage but also compromises the safety of the vehicle’s occupants. The windshield is a critical component of a car’s structural integrity, especially in the event of a rollover accident, where it contributes to preventing the roof from collapsing. A compromised windshield can also impair visibility, increasing the risk of accidents.

Addressing the Issue Promptly

Given the risks, it’s essential to address a cracked windshield as soon as possible. Defender Auto Glass emphasizes the importance of prompt auto glass repair or replacement to ensure the safety and integrity of your vehicle. Ignoring a crack not only poses safety risks but can also lead to costlier repairs or the need for a complete replacement if the damage becomes too extensive.

The Defender Auto Glass Solution

At Defender Auto Glass, we understand the importance of a prompt and effective solution to auto glass damage. Our experienced technicians use the latest technology and techniques to assess the damage and recommend the best course of action, whether it be windshield repair or side window replacement. Operating out of several locations in Ohio, including Mentor, Chardon, Akron, and Elyria, we’re dedicated to providing trustworthy services with superior customer service at fair prices.


The simple answer to whether driving can make a cracked windshield worse is yes. The risks associated with driving with a cracked windshield highlight the importance of seeking professional help immediately. Defender Auto Glass is here to provide expert advice and services to ensure your safety on the road and maintain the integrity of your vehicle. Contact us today to schedule a consultation and take the first step towards addressing your auto glass needs.

For more information or to schedule an appointment, please reach out to Defender Auto Glass at (440) 602-7770 or visit us at one of our convenient Ohio locations in Mentor, Chardon, Akron, and Elyria. Trust your vehicle with the experts committed to your safety and satisfaction.