STEP 1: USING BLACK INK ONLY, Fill out the "Civil Cover Sheet. " â–« Write in "Maricopa" as the county.Settlements in car accident claims are almost entirely based on the information contained in the victims' medical records. It outlines the details of the accident, injuries sustained, medical treatments received, and associated costs. A Car Accident Release of Liability Form is a legal document used to formalize an agreement between parties involved in a car accident. Request a claim form or file a claim at the Clerk of the Board's Office, we cannot comment as to whether or not your claim is proper or valid. See average injury payouts made to real Arizona car accident victims. Find case examples similar to yours. Your letter should include a concise factual summary of the accident, an overview of your damages, your settlement demand, and not much more. A car accident settlement letter is a formal document sent to an insurance company, outlining your claim for compensation following a motor vehicle accident.