DS7 Crossback Voice Activation

I have a 2021 DS7 Crossback Etense 225 that has been sat in Stellantis for 8 weeks attempting to get the voice activation system working.

The voice activation system suddenly stopped working. Which now means i cant use the steering wheel control to make calls etc. The button works and the voice activation appears on the screen, but doesnt respond to voice commands. The odd thing is if you make a handsfree call via the touch screen it works perfectly. It apoears to be something to do with the voice activation microphone which i believe is seperate to the voice one?

Stellantis are just going backwards and forwards with DS Technical trying all sorts of diagnostics, but getting nowhere fast. This has been going on for 8 weeks (they have had the car all this time) which is a rediculous amount of time to try and solve a minor problem.

Has anyone else had any voice activation issues?