An American Motors car cover sounds most reassuring when the label says “100% waterproof.” The better question, though, isn’t “how sealed is it,” but “does the cover let the car breathe?” This article goes straight to real-world use: the value of AMC, models you still see today, why an “airy” spot isn’t always safe, the truth behind that waterproof label, a 3-minute at-home cover test, often-missed care tips, how to choose the right car cover, safe-use guidance, and quick fixes when you spot early warning signs.