Fill out form 1A and submit it to the Department of Motor Vehicles. To report your accident to the state, you must fill out and submit Form SR-1 with the California Department of Motor Vehicles.First, you need to confirm that the other party involved in the accident has no insurance coverage for your injuries. This form provides evidence if you're in an accident with an uninsured driver. This can help protect you when dealing with insurance companies. When filling out the Form SR-1 to report a car accident in California, you are required to provide the following information: General Accident Information. You must file the SR1 form with the DMV. When should I file a report of the car accident in California? You can also have your attorney fill out the form for you. This is the best and most important form of coverage to purchase in the state of California when it comes to uninsured motorist liability and car accidents.