Try setting your phone up using the spare key. The system can detect different keys and saves different preferences for each. There is also a way to reset the mylink to factory settings, maybe someone on here could advise of the procedure (its been a while since i did it!).
Seats are definitely firm but I prefer the sturdiness. I've got the seats with the alcantara inserts feels a little more plush compared to the leather.
They tick most the boxes to be collectable and worth something in the future - historical significance, unique - but lack the scarcity. Meet back here in 30 years and see who was right :)
I think the value from the dealerships is getting better, for instance Holden recently offered cheaper map updates if you booked in a service. I still prefer a good local mechanic.
Apply some silicone lubricant to the rubber door seals and to the bailey channel around the windows. I do this as part of general maintenance and it eliminates door rattles and friction noise that develop as a result of not re-applying this lubricant.
I use the WD-40 High Performance Silicone...