Have you ever found yourself scrutinizing the state of your windshield wiper blades, pondering how often these crucial components really need replacing? It’s curious, isn’t it? We rely on them for clear visibility during inclement weather, yet many of us overlook their maintenance. What factors influence the lifespan of wiper blades? Is it merely time, or do conditions such as intense sun exposure and extreme temperatures play a significant role? Have you noticed a decrease in their performance, perhaps hearing a bothersome squeak or experiencing streaks across your windshield during a downpour? How often should we genuinely reassess their efficacy to ensure our safety? Do some brands or materials inherently last longer, or is it more about how we care for them? With such variability, it begs the question: what are the signs we should watch for that signal it’s time for a change? Wouldn’t it be prudent to explore these aspects further?