California Department of Motor Vehicles (DMV)
(800) 777-0133
Documentation: (858) 565-6691
Dealer Complaints: (858) 627-3952

Accepts written complaints regarding new or used vehicle dealers, odometer fraud, misuse of Disabled Person Placard/Plates, driving schools or traffic violator schools, dismantlers and other topics. DMV cannot give legal advice or discuss a case prior to investigating a complaint.

New Motor Vehicle Board (NMVB)
California Department of Motor Vehicles
1507 21st Street, Suite 330
Sacramento, CA 95814
(916) 445-1888

Gives advice on the California Lemon Law, which covers new and used vehicles sold or leased in California that come with the manufacturer’s new vehicle warranty. The NMVB can mediate disputes through its Consumer Mediation Services Program. Click here for DMV guidance on problems with the purchase of a vehicle.