What does the "WiFi" button on the ceiling do?

[repete]

There's a button on the ceiling behind the rear view mirror, icon of a car with what looks like a WiFi symbol shining down through the roof.

I've looked through the manual and can't find it mentioned at all.

2022 e+

Perhaps a "beam me up Scotty" button for when things go pear shaped?

[EVangelist]

I think that’s to turn the pedestrian warning noise on and off.