In case you need to get car service from Detroit International Airport here's some potentially helpful information.
Onsite at the Airport Cars and Minivans available
Prices are $77 one way from Detroit Metro Airport (DTW) to The Sheraton Detroit Novi this includes fair taxes and tip
Metro Airport Taxi
This company is slightly cheaper but Reservations are Requested please mention "Furry Connection North" when reserving your car to get the con rate. The company recommends reserving your car 3 hours in advance if you can unless you don't mind waiting a bit (between 25-35 minutes). Fair from Detroit Metro Airport (DTW) to The Sheraton Detroit Novi $50 Per Car or Minivan one way (Tip Extra) so if you know someone coming in at the same time buddy up and save some cash.