In this comprehensive guide, we'll walk you through an example car accident settlement letter and break down its key elements. Your letter should include a concise factual summary of the accident, an overview of your damages, your settlement demand, and not much more.Learn how to write a personal injury demand letter for a car accident settlement in Texas. And the tips in this article actually work. The accident was my fault due to me rear ending someone. A car accident settlement letter is a formal written communication aimed at resolving a dispute amicably before proceeding to litigation. Below is a sample demand letter for an auto accident case. Crafting a demand letter requires two critical steps: working out the worth of your claim and ensuring that you have all the evidence to back it up. Settlement demand letters are used in most personal injury cases to begin settlement negotiations. How to fill out the Settlement Demand Letter for Car Accident Claims?