Subaru owner letter. As part of Subaru of America’s dedication to customer satisfaction, this letter is to inform you of an extension to the Basic New Car Limited Warranty for your vehicle’s Electric Parking Brake Assembly (EPB). As the warrantor of Subaru vehicles in the United States, Subaru of America is implementing an EPB Warranty Extension program which extends warranty coverage for the EPB on the models listed above that were sold or leased in the United States.