Try holding down the button for approx 5 seconds. This should shut the engine down and leave ignition on iirc. If not then theres no way to do it without pressing the button and then pressing it a second later, I dont see what the problem with that is anyways.
A forum community dedicated to all Volkswagen owners and enthusiasts. Come join the discussion about performance, builds, modifications, classifieds, troubleshooting, maintenance, new releases, and more!