As I understand it, the Magnussen-Moss Warranty Act protects this interpretation. You can't arbitrarily void a warranty by setting conditions on it like "must n

As I understand it, the Magnussen-Moss Warranty Act protects this interpretation. You can't arbitrarily void a warranty by setting conditions on it like "must not remove this sticker". Though, of course, manufacturers will still try to scare people into believing that their warranty is far more fragile than it legally is.