Michigan Office of the Attorney General, Consumer Protection Division
P.O. Box 30213
Lansing, MI 48909
Michigan State Bar Association
The Michael Franck Building
306 Townsend Street
Lansing, MI 48933
Center for Auto Safety (CAS)
2001 S Street NW
Washington DC 200091160
CAS is a non profit consumer group specializing in auto issues. They can help you find out about safety recalls, Lemon Law, secret warranties, and other general information.
Car Talk Car Reports:
You might want to run a Car Talk Car Report (https://www.cars.com/news/ on your car, to see if there have been any recalls, Technical Service Bulletins, or a large number of complaints on file relating to your particular problem.
National Highway Traffic Safety Administration (NHTSA)
400 Seventh Street SW, Washington, DC 20590
Auto Safety Hotline: 8004249393
NHTSA can give you information on the safety recall history of your vehicle.