This box is compatible with control types EDC15 (diesel) and ME7. The EDC15 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 EDC15/ME7 box into the vehicle's diagnostic socket (OBD2). Then switch the OBD2 Drive Box to "OFF". After approximately 20 seconds, the immobilizer will be deactivated (IMMO OFF). NO COMPUTER REQUIRED! The LED on the tool will start flashing slowly; after a few seconds, it will flash rapidly, indicating that the immobilizer function is disabled. The vehicle will operate without a transponder key. To reactivate, switch the Drive Box back to "ON". After approximately 20 seconds, the immobilizer will be activated (IMMO ON). Compatible with selected models equipped with Motronic systems EDC15 (diesel) or ME7. Not suitable for 1.8T, 2.0TFSI, 1.4, or 1.6 engine models. This tool is sold exclusively to authorized automotive professionals and trade personnel with valid industry certification. Material: Plastic Color: Black Package Contents: 1 x OBD2 Drive Box Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.