As you can see in the V40 pricelist front sensors (Volvo) can't be retrofitted.. no in the accessoires list..
Only available when you order Parkpilot..
So therefore the dealer could not install original front sensors.
Because the original cables and software was not in the car.
V40 D4 R-Design MY15 Polestar tuning
V40 D2 Summum Passion Red MY12, blond/blond/charcoal leather, 18" Midir summer 17" Mannan winter.