Your letter should include a concise factual summary of the accident, an overview of your damages, your settlement demand, and not much more. Below is an example of a car insurance demand letter.Make sure to tailor it to your own accident and situation. Below is a sample demand letter for an auto accident case. A car accident settlement letter is a formal written communication aimed at resolving a dispute amicably before proceeding to litigation. I'm about to start writing a settlement deman letter to Geico for a Rear end Collision i was in. The other driver accepted full repsonibility as well as geico. Learn about cash settlements in your case and how they are accepted and approved. David Azizi explains the process of cash settlement acceptance. How to fill out the Settlement Demand Letter for Car Accident Claims?