You just fill out the title with their info and then make a copy or photo of it complete for your records. Below, we've outlined the steps and forms required for how to sell a car in the state of California so you can sell your car quickly for the most cash.Seller name: Name of the parties is required and you should mention the full name of the seller. The seller simply signs over title, creates a bill of sale, takes their cash, and submits a release of liability to the CA DMV electronically. Cross Border Policy. Rentals originating in the United States: Most vehicles rented in the US can be driven throughout the US and Canada. A bill of sale is most commonly used when selling a valuable asset like a vehicle, boat, aircraft, or trailer. We offer car insurance, home insurance and other personal insurance through independent insurance agents. Get free auto and home insurance quotes today. State Farm® offers a range of claim service options for vehicle estimates and repairs.