Feature:VAG II can do it all-reads and clears trouble codes on all the systems such as engine, transmission,ABS and airbag etc.Read Data Stream Full ECU Diagnosis Applies to the entire models of VAG equipped with OBDII-16 DLC Easy To Use With Metal Dome Keys Oil Light/Service Reset:Support service lamp reset, Brake pad reset function, Steering angle sensor calibration etc.EPB:Opens and closes the brake pads,Reads and clears EPB/SBC trouble codes,Turns off the ECU and brake warning light,Diagnoses EPB/SBC caliper functionality,Resets the brake pad thickness service etc.ABS/AIRBAG:Diagnoses ABS/ SRS system codes,Reads/clears codes of ABS/SRS system and turns off ABS/SRS warning light,Performs bi-directional tests such as cycling the ABS solenoids, Retrieves ABS/SRS ECU information etc. ETC For more functions,please contact us for function list! Twelve Super Advantages: Read & Clear DTCs Read Data Stream Full ECU Diagnosis Diagnose Single-brand Models Equipped With OBDII-16 DLC Easy To Use With Metal Dome Keys Oil Light/Service Reset EPB ETC 4.0” TFT LCD With 480 * 320 Pixels USB 2.0 High Speed Upgrade Upgrade Via TF Card Support Multi-language Software Update: Only compatible with Windows 7, 8 and 10 This is a diagnostic tool that would read and clear error codes. This tool will only report errors and lets you clear them. However, if your car has a physical problem that is identified by the tool, it will require a certified dealer to fix the problem.