Ssendam

So ... in Europe, it seems you can't do a MM software update on your lexus (NX300h) yourself, you have to get a Garage to do it. In the USA, you can just download the update on a USB and plug it in yourself. I've asked my garage (who is also the Lesus dealer) to do it, and they've come back and said, that I have to buy the Map Update before they can do the MM software update. Does that sound right to anyone? I've never read this anywhere else?