for - Reseter works without additional computer and trough car OBD II connector can erase sensor "crash data" or only fault memory. Very simple user instruction: connect this tool to / car OBD II connector. Right red button is for "crash data" erase. Push this button once and wait: yellow light start to flash and after 15 second green light inform you that "crash data" is erased. Red light set ON if erasing is not successful. Left yellow button is for erase "fault memory" or "errors". If warning lamp go OFF and immediately ON, evaluate "error memory" using any - diagnostic equipment and repair. Support sensors(with hc12cpu or CR16 PLCC44 ) 1999-2002 crash data and DTC65535 (Controller Malfunction) erase, such as:4B0959655G, 4B0959655J,4B0959655C, 8L0959655G, 4D0 959 655 J, 8D0 959 655 J , 8D0 959 655 F, 8D0 959 655 M, etc Support sensor (with CR16 80QFP) from - (A3, A4, A6, A8 2002-2005, ) crash data and DTC65535 (Controller Malfunction) erase, such as 4B0959655Q ,etc. Support crash data and fault memory erase: for A4, A6, A8 1994-1997: for V : 8A0 959 655 C ( 0 285 001 038), 8A0 959 655 K ( 0 285 001 155), 8A0 959 655 K ( 0 285 001 151) - Crash data erase, Fault erase; for A3, A4, A6, A8 1999 : for 7 - 4B0 959 655 C, 4B0 959 655 J, 4D0 959 655 C, 4D0 959 655 H, 8D0 959 655 C, 8D0 959 655 L, 8L0 959 655 F - all 7 - Crash data erase, Fault erase; for A2, A3, A4, A6, A8 - 1999 : for 8 - Crash data erase, Fault erase (can't erase "Controller Malfunction" for this moment);for - Golf III, B4, - 1J0 909 603 - Crash data erase, Fault erase; for - Golf IV, B5 - 1J0 909 609, 1J0 909 607 - - Crash data erase, Fault erase; for - Golf IV, B5 - 3B0 959 655 B, 8L0 959 655 A - all - Crash data erase, Fault erase; for - Golf IV, B5, - 6Q0 909 605 A, 6Q0 909 605 B - - Crash data erase, Fault erase; for - Golf IV, B5, - 1C0 909 605 C, 1C0 909 605 F, 1C0 909 605 H, 6Q0 909 605 C - - Crash data erase, Fault erase; for - B6 - - Crash data erase, Fault erase. Colour:As Shown Material:plastic Package Contents: 1 x Reseter 1 x OBDII connector 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.