Complete kit for retrofitting the lane change assistant (Audi side assist) for Audi A8 4N Intelligent technology for monitoring the blind spot and traffic behind the vehicle Warning of vehicles approaching or swimming in the detection zone Integrated radar sensors (left and right in the rear bumper) monitor the area behind and next to the vehicle from a speed of 30 km/h The system measures the distance and speed difference to other vehicles The lights in both exterior mirrors warn of critical situations The exit warning warns when leaving in critical situations with the flashing of the displays on the affected side and at the same time the door opening is briefly delayed Selectable option Left-hand drive (PR-No.: L0L) Right-hand drive (PR-No.: L0R) Scope of delivery: Cable set Radar sensor Warning lights for exterior mirror Covers for exterior mirror Coding dongle Notes: Only suitable for vehicles with ACC (PR-No.: 8T5, 8T8) The protection of the components of the control elements must be removed by the Audi dealer Only primed mirror caps are supplied, painting is still necessary For mirror caps that are not painted (e.g. aluminum), you must order them yourself Some of the hardware may have been recovered from test vehicles and have undergone extensive functional tests. The software is up to date The compatibility of the door control units must be checked, there are 3 different hardware versions of the door control units (Lowline "3" - Midline "5" - Highline "7") required for "Lane Change Assistant" is Highline to determine whether you have the correct door control units, the part number must be read via diagnostics Example of part number: XX0 959 ?9X + index letter such as A, B, C Here, the location of the ? "question mark" is decisive ? = 3 = not compatible - door control unit must be replaced? = 5 = not compatible - door control unit must be replaced? = 7 = compatible for retrofitting lane change assist e.g.: 4M0959793X / 4M0959792X are suitable, 4M0959593X / 4M0959592X must be replaced If you do not have a factory-compatible control unit, please use the control unit from the "Accessories" section. This ensures that the control unit has the correct software and data sets