This box is compatible with control types E 15 (diesel engines) and ME7. The E 15 control for diesel engines is installed in models from 1999 onwards. The ME7 control for engines 1.6 I and above is also supported. Supported control unit types include ME7.5, ME7.5.1, ME7.1, and ME7.1.1. Usage instructions: Plug the E 15/ME7 box into the vehicle's OBD2 diagnostic port. Switch the Drive box to "OFF". After approximately 20 seconds, the immobilizer will be deactivated (IMMO OFF). No computer connection required. The LED on the device will flash slowly at first, then rapidly, indicating that the immobilizer function has been disabled. The vehicle can be operated without a transponder key. To reactivate the immobilizer, switch the Drive box to "ON". After approximately 20 seconds, the immobilizer will be activated (IMMO ON). Designed for models equipped with Motronic systems E 15 (diesel) or ME7. Not suitable for 1.8T, 2.0TFSI, 1.4, or 1.6 engine models. This tool is intended for professional use by authorized automotive technicians. Material: Plastic Color: Black Package Contents: 1 x OBD2 Drive Box Note: The package includes only the items listed above. Other accessories shown are not included. Note: Lighting conditions and monitor settings may cause slight variations in color representation. Measurement tolerance is +/- 1-3 cm.