Note:Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. USE:Tdi EDC16- immo off; Tdi EDC16- immo on; K-line + Can Two Leds Indicating: White LED-Power; Blue Led- information about transmission all switches turn off- diagnostic mode 2 sec do not light/ 1 sec will blink; Adjusting to the driver-blinking 1 sec; After adjusting 2 seconds is light on and then will stop for 1 sec How to Use:1.Turn on the ignition switch; 2.Connect the device to the diagnostic plug; 3.Led is bliking fast, if after one minutr it will blink slowly then disconnect device then immo is turn off permanently.If it 't work at first time,then repeat steps from beginning. Test on Drives:0281011XXX K-Line 1.0281011145 For B5 2.0 For Tdi mechanical igniton switch 2.0281011258 For Tourareg 2.5 For Tdi 3.0281011364 For A3 1.9 For Tdi 2004 4.0281011383 5.0281011385 6.0281011568 For T5 2.5 For Tdi 2006/2007 7.0281011843 For Golf5 2.0 For Tdi 2004 8.0281011844 For 2.0 For Tdi 2004 9.0281011855 For T5 1.9 For Tdi 2003 10.0281011856 For T5 1.9 For Tdi 2005 11.0281044882 For 1.9 For Tdi 2006 12.0281011883 For 1.9 For Tdi 2004-2010 13.0281011900 14.0281011945 15.0281011946 For 1.9 For Tdi 2006 16.0281011907 For For 2.0 For Tdi 81012XXX K-Line 1.0281012220 For GOLF5 1.9 For Tdi 2005 2.0281012390 For 1.9 For Tdi 2003-2010 3.0281012696 For Seat , For 2.0 For Tdi 2005-2010 For Tdi EDC15 - IMMO OFF, IMMO ON 1.4 1.9 2.5 , since 2000 year to 2004 year, some to 2006 year and even to 2008 year(without for with coded pump) Colour:Black Material:plastic Package Contents: 1 x Bypass Unit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.