1. Security system for automotive use with at least one video sensor positioned at the side of a vehicle, with at least one controller for video frame analysis, with a software module to run a software and a connector to the vehicle electric and communication system, characterized in that the video sensor has a view of at least ±75 degrees from the axis perpendicular to the vehicle longitudinal axis, and the software module provides a security signal if a side impact is expected using a two level optical object recognition mode.