Chevrolet Equinox Service Manual: All Seasons Tires Description Wheels

Most Saturn vehicles are equipped with steel beltedall-season radial tires as standard equipment. These tires qualifyas snow tires, with a higher than average rating for snow tractionthan the non-all season radial tires previously used. Otherperformance areas, such as wet traction, rolling resistance, treadlife, and air retention, are also improved. This is done byimprovements in both tread design and tread compounds. These tiresare identified by an M-+-S molded in the tireside wall after the tire size. The suffix MS is also molded in thetire side wall after the TPC specification number.