The California Department of Motor Vehicles (DMV) is a state agency responsible for managing vehicle registration, driver licensing, and maintaining driving records in California. It provides services such as issuing driver's licenses, identification cards, and vehicle titles, ensuring that all drivers meet safety and legal requirements. Additionally, the DMV oversees the testing and education of new drivers, including written and behind-the-wheel tests. The agency also handles the renewal of licenses and registrations, making it a crucial part of transportation and public safety in the state.