I bought he warranty in Canada from the dealer last May, there is no such things a gmepp in Canada
Parts not covered are all glass (including mirrors, heated windshields and rear windows with defroster), fog lamps, lenses, sealed beams, lamps, light bulbs, tires, wheels, trim, seat frames, convertible or vinyl top, moldings, weather-strips, bright metal, sheet metal, door hinges, body parts (including frame), bumpers, upholstery, carpet, paint, brake rotors and drums, shock absorbers, MacPherson strut assemblies (including upper mount and bearing), batteries, distributor cap and rotor, carburetor, manual clutch disc lining, pressure plate and bushings, pipes (with the exception of power steering, air conditioning and brake pipes), engine and transmission cooler lines/hoses, catalytic converter (which may be covered by Emission Control Systems Warranties) and exhaust system, and non-manufacturer installed accessories.
I called GMPP who were great. They conferenced in the dealership and set them straight. Lesson learned, always fight your dealer as they may not really care about you as a customer, but it looks like GM does more