Ever wondered what the "W" in oil viscosity grades like 10W-30 actually means? Contrary to popular belief, it doesn't stand for "weight." Join us as we debunk this common misconception and uncover the true meaning behind the "W." Understanding this crucial aspect of oil ratings will help you make informed choices for your vehicle's performance, especially in diverse weather conditions. Don't fall for the confusion - watch now to learn the facts about oil viscosity!