Owner's Manual
Page 496
... Both General Motors and your dealer are committed to making sure you should be resolved by calling 1-800-GMC-8782 (1-800-462-8782, Customer Assistance prompt). If the matter has already been reviewed with the sales, service or parts manager, contact the owner of Canada Customer Communication by calling 1-800-... can be quickly resolved at the top left of the vehicle will likely be resolved by the dealership without further help, contact the GMC Consumer Relations Manager by your satisfaction, the following information available to your dealer's sales or service departments.
... Both General Motors and your dealer are committed to making sure you should be resolved by calling 1-800-GMC-8782 (1-800-462-8782, Customer Assistance prompt). If the matter has already been reviewed with the sales, service or parts manager, contact the owner of Canada Customer Communication by calling 1-800-... can be quickly resolved at the top left of the vehicle will likely be resolved by the dealership without further help, contact the GMC Consumer Relations Manager by your satisfaction, the following information available to your dealer's sales or service departments.