If you want to manually shift gears put the shifter into the S position, then hit the paddle. This will put you in manual mode.
Using the 'Drive Mode' toggle switches in the center consul do not put it in manual mode.
Just refuse delivery. They cannot make you take the car, they have no choice but to get you another one.
My car was ordered with spoiler delete and when the dealership ordered it they over looked it.
Solution, they had to buy a PP car from another dealer and swapped the trunk.