Ionizers often end up creating ozone. Ozone smells nice, and certainly removes odors and things like smoke particles from the air, but is amazingly reactive. Wouldn't that possibly cause corrosion of almost any metal in the cabin (including circuit boards)?
It was built 3 months after mine, and I don't have that option if that was a hardware upgrade. I am still on 5.9 if that really matters.
They must have upgraded your firmware to 5.12 while the car was there.my ionizer button just showed us last week after it was in the service center. i haven't had a chance to figure out what it is or does, and i wasn't 100% sure if it was there or not before, but i think it's new after the recent service center visit ...
The loaners I have had have had the window sticker in the trunk or glove box. If the windows sticker is in the car is there a new special option listed?