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 from 1.6 I is also supported. Compatible with control unit types ME7.5, ME7.5.1, ME7.1, and ME7.1.1. Usage guide: Plug the EDC15/ME7 box into the vehicle's OBD2 diagnostic port. Switch the drive box to "OFF" position. Within 20 seconds, the immobilizer will be deactivated (IMMO OFF) without the need for a computer. The LED on the tool will flash slowly at first, then rapidly, indicating the immobilizer function is disabled. The vehicle will operate without a transponder key. To reactivate, switch the drive box to "ON" position. Within 20 seconds, the immobilizer will be activated (IMMO ON). Designed for models equipped with Motronic systems EDC15 (diesel) or ME7. Not suitable for 1.8T and 2.0TFSI models, as well as 1.4 and 1.6 engines. This tool is intended for professional use by authorized automotive technicians. Material: Plastic. Color: Black. Package Contents: 1 x OBD2 Drive Box. Only the items listed are included. Note: Lighting and monitor differences may cause slight variations in color representation. Measurement may vary by +/- 1-3 cm.