It's important to note that the laws regarding car purchases can vary from state to state, and they can change over time. You can consult the California Department of Motor Vehicles (DMV) website or contact the local DMV office for the most current and accurate information on car purchase regulations.
Before purchasing a car in California, it is recommended to carefully review the sales agreement and make sure you fully understand the terms and conditions, including any refund or exchange policies offered by the dealership.