Owner's Manual
Page 438
..., the following steps should be resolved by the dealership without further help, contact the GMC Consumer Relations Manager by calling 1-800-263-3777 (English) or 1-800-263-7854 (French). Please have a concern. 7-2 If the matter has already been reviewed with a member of dealership management, it appears your concern cannot be taken: STEP ONE...
..., the following steps should be resolved by the dealership without further help, contact the GMC Consumer Relations Manager by calling 1-800-263-3777 (English) or 1-800-263-7854 (French). Please have a concern. 7-2 If the matter has already been reviewed with a member of dealership management, it appears your concern cannot be taken: STEP ONE...