Chris.ac

aerial is usually integrated into glass, either the left side windscreen or in the sunroof (if fitted)

the 'c' rating for the interior could be artifically low if the car was reviewed prior to a decent valet!

https://cardiagn.com/toyota/toyota-alphard-vellfire/?utm_source=AlphardClubUK&utm_medium=ForumLinks

i'll dump this here - Its what I have for resetting the windows, and also how to use key/fob to open/close all windows:

Hi Rojie, I am not in the trade - I should be taking ownership of an Alphard within the next few weeks, and thought I would get as much information as possible before I start tinkering! This information does come from technician training material - there is more info related to other aspects of the electronics, such as resetting keyfobs, resetting windows after battery change, the TEMS system etc.

Did you resolve this? if not, I have these instructions: