How do you reset the service due on 2012 Audi A3?

To reset the service reminder on a 2012 Audi A3, turn on the ignition without starting the engine. Press the gas pedal fully three times within 10 seconds. After that, turn off the ignition, then turn it back on; the service light should be reset. If the light remains, repeat the process or consult the owner's manual for further instructions.