Professionals offering Auto Repair in Dunwoody are responsible for repairing and maintaining vehicles. It is important to be prepared for auto repair to avoid being overcharged. Learning how your car works and common issues can help with preparation. When choosing an auto repair shop, ask friends and family for recommendations and look for certifications to ensure technicians have proper training but certifications alone do not guarantee good work. Be sure to understand the details of any guarantees provided by the shop.