Porsche Cars North America implemented augmented reality (AR) from Atheer to help technicians resolve vehicle service issues. This resulted in a 40% reduction in service resolution time across Porsche dealerships in North America. The CEO of PCNA noted that AR allows them to solve issues faster and get customers back on the road with less disruption, while also increasing overall service quality by more efficiently sharing expertise between technicians and experts. The document discusses how guidance through AR is superior to training alone for teaching complex tasks and increasing accuracy, especially for remote workers. It provides examples of when guidance versus training is more effective.