Sample of a Cash Settlement Letter. Don't make your letter too long.Your letter should include a concise factual summary of the accident, an overview of your damages, your settlement demand, and not much more. Explore the car accident settlement process in California. Learn how to secure fair compensation for your injuries and losses effectively. This guide discusses what to do after an accident and what to expect when you file a claim with your insurance company. For the CHP Collision Report, fill out Form CHP 190 to request a copy from the California Highway Patrol office that handled your accident. The letter should begin with the claimant's full name, address, and contact details. It should include both your economic and noneconomic losses (explained in previous sections). 3. What information should the letter contain?