For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition
65 Warning#09-00-89-002H: Properly Maintaining Vehicles in Dealer Inventory - (Mar 25, 2013)
Subject:Properly Maintaining Vehicles in Dealer InventoryModels: 2011-2014 GM Passenger Cars and Light Duty Trucks2011-2014 Chevrolet Captiva (sold outside North America)2012-2014 Chevrolet Captiva Sport (U.S. fleet only)2011-2014 GMC Terrain (sold outside North America)2011-2013 Daewoo Winstorm (s ...