I have another question about How can I file a complaint against a DMV regulated auto business? . What happens if a resolution to my liking is not reached?
Y can file a complaint by submitting a Vehicle Safety Complaint Report PDF VS-35 along with any supporting documents to the DMV Consumer & Facilities Services Complaint Unit .To submit electronically, download the complaint report available at the link above to your personal device  Attach and then email the completed report as well as any supporting documents.
What do I do if the facility does not have a current registration
There are limitations on any fines and penalties that may be recovered. For additional information on the investigation and hearing process, please see our What to Expect if You File a Complaint Against a DMV Regulated Business