Last month, the FTC sent letters to six companies informing them that their product warranties were violating US law. Though there are some exceptions, under the 1975 Magnuson-Moss Warranty Act, voiding a warranty because a customer didnt use a specified part or repair provider isnt generally allowed. The FTC called out six companies for warranty language that did just that, though — required certain parts or services to be used in order to preserve a warranty. The agency didnt sa……Read more