Has anyone played around with this ? I've reset the oil service with vcds but I can't get the inspection to reset (have serviced myself).

I know this is an old topic, but I can't yet find anything newer.
I have deferred the next service after discussing it with the garage I use, as the oil was changed very recently due to a leak. The service inspection counter is counting down with 2 days to go. So I wanted to reset it. I found a video on the web which shows that all you need to do is press and hold the long button whilst turning on the ignition, then pressing it again when asked to confirm reset. This worked, as it gave me the "reset" confirmation.
But then it immediately reverted to "inspection in 2 days", and still says that on the next start-up.
I've tried the process three or four times. No luck.

What am I doing wrong?

Skoda Octavia MkIII, 2015.