Standard & Poor's today affirmed its single-'B'-plus corporate credit rating on Hyundai Motor Co. The outlook on the rating remains positive. The affirmation reflects the belief that Hyundai Motor, Korea's largest automaker, will not be called upon to provide financial support to the Hyundai Group companies that are facing liquidity problems -- namely, Hyundai Investment Trust & Securities Co. Ltd., Hyundai Engineering & Construction Co. Ltd., and Hyundai Merchant Marine Co. Ltd.