A GMAC oversees all aspects of automotive service center operations, including managing staff, ensuring customer satisfaction, monitoring inventory, and achieving sales and service goals. Daily tasks often include reviewing financial reports, meeting with department leads to address operational issues, and interacting with customers to resolve escalated concerns. The GMAC also plays a key role in staff training, compliance with industry standards, and implementing marketing initiatives to drive business growth. Regular collaboration with technicians, sales teams, and corporate management is essential for success in this multifaceted role.