When sorting my insurance prior to picking up my own T6 the dealership said the same, "they all have cat1 alarms".Ater speaking to the supplying dealership initially the sales guy assured me that all t6’s had cat 1 alarms.
You could always sit in your van and lock your self in using the key fob and see if the motion sensor kicks in.
I know it sounds silly but it’s one way to see if you have an alarm fitted.
YesDo T6 Highline (2019) come with alarm and Immobiliser?
Is that just the front cabin area?
The sensors are behind a grille just in front of the cab light.Is that just the front cabin area?
mine is a Highline with heated front WS, MFSW and motion sensor does kick in when I lock myself in and lock the van by keyfob.You could always sit in your van and lock your self in using the key fob and see if the motion sensor kicks in.
I know it sounds silly but it’s one way to see if you have an alarm fitted.