Greetings fellow seattle-tonian! I'm still relatively new to the phaeton world, but i can answer some of these questions.
1. Yes, pignitaro in everett has a certified phaeton mech. I think theyre about the only dealer that does. Good people there too. My car was previously owned by the owner there.
2. Dont have active cruise control in my 2004. Soft close doors also were not available. I think.
3,4,5. No idea
I live abou 30 mins north of seattle. If you want some face time with a phaeton to see if you like it without salesman pressure i might be able to meet up somewhere.