The State Department of Motor Vehicles released a list of the top 5 mistakes customers made when doing business with the department. The most frequent mistake is forgetting to update an address followed by leaving the state without notifying the DMV. Next is letting insurance coverage lapse following by not understanding penalties for traffic violations and the fifth biggest mistake is failing to bring proper documentation or funds to the DMV office. Many DMV transactions can now be done online at dmv.ny.gov.