How do you reset the service advice in a VW Touran 2004?

To reset the service indicator on a 2004 VW Touran, turn on the ignition without starting the engine. Press the gas pedal fully three times within 10 seconds. After that, turn off the ignition and then start the engine; the service indicator should be reset. If this method doesn't work, consult the owner’s manual for specific instructions related to your model.