The engine would make more sense in context, but I still don't approve of the concept.

[The kitchen then. It is a bright and airy thing, windows everywhere, curtains fluttering in the breeze. Beautiful marble counters from the Italian mountains, the rest the technology of the age but so much more refined. As always, the coffee pot sits on the counter, and Alucard goes to it first.]

I mean, binding a demon to a car seems like a fast way to get into an accident. Excellent vengeance, but hardly an option for every day driving.