First, the police, your insurance, and the other driver’s insurance should be notified promptly, as well as the DMV. Then, the insurance companies determine who is at fault. But this is not the final say on the matter. The insured party involved in the accident can file a suit to challenge the decision made by the insurance company. Even if you are found partially at fault by the insurance company, filing a claim may still be worth your time. This is especially true in California, where people who are partially at fault in an accident can still recover damages. Read more about the benefits of hiring an attorney