24 Define Imaging Location , Size Eyebox Range Define Display Info UI Specification Define Windshield Specs Production Define AR HUD Size & Location Optical System Design Electronic Control Inspection System Design Imaging Control Algorithm Design PGU Design Production SOP ( Mass Production ) 1 9 8 7 6 5 4 3 2 3month 8month EVT DVT 6-12month Testing 6-12month 3-4month Design Production Process and Plan