Exterior automotive imaging applications are quickly evolving, to meet customer requirements image sensor manufactures are being forced to develop new technologies.   Many of these new technologies are necessary for both human and machine vision applications.    Exterior cameras are used for rear view, surround view, e-mirror, digital video recording, ADAS and AD applications.    In this paper we will discuss the requirements and challenges associated with developing these new technologies.   Unfortunately these requirements are often conflicting forcing image sensor manufactures to make tradeoffs based on cost, size and time to market.  Specifically, we will discuss high dynamic range image capture, LED flicker mitigation, low light sensitivity, high temperature operation and cyber security.