Your letter should include a concise factual summary of the accident, an overview of your damages, your settlement demand, and not much more. In this comprehensive guide, we'll walk you through an example car accident settlement letter and break down its key elements.Below is a sample demand letter for an auto accident case. Gather complete information before you start writing. This page focuses on how to write an effective settlement demand letter to the insurance company in an auto accident case to maximize your settlement amount. This page focuses on how to write an effective settlement demand letter to the insurance company in an auto accident case to maximize your settlement amount. I have health insurance, but it is high-deductible health insurance, and so I had to pay the bills out of pocket. Pursuant to the telephone conversation we had on (date), please allow this letter to confirm we have agreed to settle my claim that is referenced above. A short description of the accident that injured youinclude the date, the time, and the location. My client was in a substantial accident with your insured, ______.