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Contents Audi side assist . 4 Optical parking system OPS 20 Reversing camera 28 The self study programme provides basic information on the design and function of new vehicle models, new vehicle components or new technologies. Reference Note The self study programme is not intended as a workshop manual. The specified values only serve for better understanding and relate to the software versions applicable at the time the SSP was compiled. For maintenance and repair operations it is essential that you refer to the current technical literature. Audi side assist Audi side assist in the Audi Q7 Introduction The purpose of the Audi side assist is to monitor the area behind and to the side the vehicle using radar sensors and assist the driver when changing lanes. The area monitored also includes the so called blind spot on the driver side and the front passenger side. Each vehicle side is fitted with a radar sensor for this purpose. If the Audi side assist detects a critical situation that could cause an accident during a lane change, the system alerts and warns the driver. The driver is alerted through activation of the warning lamps in the relevant exterior mirror and warned through the warning lamps flashing rapidly. 375 040 4 Radar sensors and control units The Audi side assist is equipped with two control units, the side assist control unit J769 master control unit and the side assist control unit 2 J770 slave control unit . The master control unit forms a single module with the right radar sensor, while the slave control unit forms a single module with the left radar sensor. The master and slave control units are identical in design. The main component is an electronic circuit board with a digital signal processor as the central processing unit. Among other functions, it is used to record and track objects detected by means of the radar sensors. The system is manufactured by