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Service System description lane departure warning Audi lane assist Edition 10.2011 Service Department. Technical Information Service List of Workshop Manual Repair Groups Repair Group 01 Self diagnosis, electrical checks Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed. A005A403420 Audi A4 2008 ➤ , Audi A5 Coupé 2008 ➤ System description lane departure warning Audi lane assist Edition 10.2011 Contents 01 Self diagnosis, electrical checks 1 1 General notes on lane departure warning 1 1.1 Technical data 1 1.2 Components used 1 1.3 Exchange of data between system components 2 2 Description 4 2.1 Electronic image processing 4 2.2 Switching the system on and off 4 2.3 Possible states of warning lamp in instrument cluster 4 3 Notes for service 6 3.1 Calibration 6 3.2 Diagnosis 8 Contents i Audi A4 2008 ➤ , Audi A5 Coupé 2008 ➤ System description lane departure warning Audi lane assist Edition 10.2011 ii Contents Audi A4 2008 ➤ , Audi A5 Coupé 2008 ➤ System description lane departure warning Audi lane assist Edition 10.2011 01 Self diagnosis, electrical checks 1 General notes on lane departure warning ARL001184; Edition 10.2011 The lane departure warning Audi lane assist helps the driver to stay in lane. A camera is used for detecting lane markers. The lane departure warning is on alert when lane markers are de‐ tected on either side of the lane in which the vehicle is driving. When the vehicle approaches a detected lane marker and is about to leave the lane in which it is driving, the steering wheel vibrates to warn the driver. If the lane departure warning is on alert and the driver operates the turn signals b