“Someone can grab a HoloLens, start a Guides session, and literally have a trainer in their head,” he said. “If they do need help, they can call an expert right from the app.” Toyota feedback also helped improve other aspects of the Guides experience. For example, technicians used to put a QR code on the hood of a vehicle, scan it, and then follow the holographic instructions. But those holograms could appear to drift as a worker moved around the car.