Why are you using seafoam on a brand new car, or any car in this case?
What else do we have to clean our valves? Build up on them is terrible after only short mileage. It's common on direct injected engines, and the reason why some have atleast one port injector to clean the valves (IS-F).
Here's a picture of the 2.0T VW engine's valves at 28K:


100K:

Our motor, not as easy to see in this picture:
