The New Motor Vehicle Board operates a Consumer Mediation Services Program, which attempts through informal mediation to resolve disputes between consumers and new motor vehicle dealers. If you have a contractual dispute (purchase or lease) or a warranty/repair dispute with a new motor vehicle dealer, contact the New Motor Vehicle Board for assistance:
New Motor Vehicle Board
1507 21st Street, Suite 330
Sacramento, CA 95811
Phone: (916) 445-1888
The Department of Motor Vehicles (DMV) licenses and regulates new and used motor vehicle dealers. If you would like to report fraud by a motor vehicle dealer, contact the Department of Motor Vehicles, Division of Investigations, for assistance. DMV Record of Complaint Form, pdf.