In the letter, you explain your claim to the other party and offer evidence that shows you deserve compensation for what you've suffered. If you are injured in a motor vehicle accident, file a written notice of claim with the No-Fault insurer that identify the injured person(s).You can search, purchase, and immediately download certified crash (accident) reports online. Your letter should include a concise factual summary of the accident, an overview of your damages, your settlement demand, and not much more. Fill out this form to submit your request or call us at. You need to fill out the right side of the ticket completely (including your current mailing address) and sign it. A car accident settlement letter is a formal document sent to an insurance company, outlining your claim for compensation following a motor vehicle accident.