The language, which appeared on an FAQ page for Hyundai owners, stated that the use of Hyundai crash parts "is required to keep your Hyundai manufacturer's warranties and any extended warranties intact." In an April 9 letter to Hyundai, Lois Greisman of the Federal Trade Commission expressed concern that the language could be a violation of the Magnuson Moss Warranty Act, which forbids tie-in sales of branded products and services as a condition of warranty coverage.