Windshield defogging is the process of removing condensation from the interior surface of a vehicle’s windshield. This condensation, formed by the temperature difference between the warm, humid air inside the car and the cold windshield surface, obstructs visibility. Effective defogging restores clear vision, ensuring driver safety. An example of this process in action is observing a clear windshield after activating a car’s defogger function on a cold morning.
Maintaining a clear windshield is paramount for safe driving, particularly in inclement weather. Reduced visibility due to fog or condensation significantly increases the risk of accidents. Historically, drivers relied on manual methods, such as wiping the windshield with a cloth, which were often ineffective and distracting. Modern defogging systems offer a significantly improved and safer solution.