STARFIRE DEXOS 1"I' FULL SYNTHETIC MOTOR OILS are state of the art, advanced  te.: hnol IN y . motor oils formulated with sophisticated additives to prevent sludge formation commonly caused by moisture and combustion bv-produds. An exceptionally  high viscosity index minimizes (old weather oil thickening, preventing battery drain and engine wear, even at subzero startups. Exceeds GM de,....osl€' specifications for world-wide warranty requirements for all GM automotive gasoline engines currently in use. 
APPLICATIONS STARFIRE dexos 1 Full Synthetic Motor Oils are for use in all Buick, Chevrolet, Cadillac and @MC vehides starting in 2011 model year They are also an excellent choice for previous mod d year vehides produced by M. They are recommended and suitable for use in all passenger cars, sports utiEityvehides and Eight dutyt rucks operating on gasoline specifying API service category SN, SM, ILSAC GF-5, GF-4, Chrysler MS-6395M, Ford M2C930-A (5W-20) and Ford M2C929-A (5W-30). 
BENEFITS • Licensed and approved through General Motors (License # RB1D0425025) • Fuel economy improvements • Meets manufacturers' latest warranty requirements • Protection for high temperature, high performance turbo-charged vehicles • Enhanced rust protection for Rex Fuel Vehicles, specifically those that run on ethand-based fuel (E85).