Perform coding and programming for various control modules in your car, such as changing the country code, enabling or disabling features and functions, customizing the instrument cluster display, etc. Perform output tests to check the functionality of various components and systems in your car, such as injectors, coils, fans, pumps, valves, lights, horns, etc. Perform basic settings and adaptations for various components and systems in your car, such as throttle body alignment, idle speed adjustment, steering angle sensor calibration, brake pad replacement, service interval reset, etc. View live data from various sensors and actuators in your car, such as engine speed, coolant temperature, throttle position, fuel pressure, oxygen sensor readings, etc. Read and clear fault codes from all control modules in your car, such as engine, transmission, ABS, airbag, steering, climate, radio, navigation, etc. With VCDS 12.12.3, you can do many things that are not possible with conventional scan tools or OBD-II readers.