*Cooling System Service Includes, Cooling System Drained, Anti-Freeze Replacement. Radiator, exterior & Air Conditioning Condenser Cleaning. Inspection of hoses, clamps & belts. Transmission Service qualifies as one that is a manufacture suggested mileage maintenance which varies by model. Limit one (1) offer per VIN. Cannot be combined with any other prior sale, offer, and/or discount. GM Value Offer. Offer Excludes taxes & shop fees. Further restrictions may apply, see Service Advisor for details.