Learn how to assemble a solid auto policy and how to get a good deal. istockphoto By the editors of Kiplinger's Personal Finance Updated January 2015 Accidents happen. In cars, they happen nearly 100,000 times a day, and insurance can be the only thing standing between you and financial catastrophe.Here are explanations of the major parts of a typical policy, starting with perhaps the most important component, liability coverage. The goal is to help you find your way through the thick language of an insurance policy. We also offer suggestions for getting the best possible deal on your coverage. How to Get a Good DealPremiums can never be too cheap. Here are some ways to lower your car insurance bill, and keep it down. Liability CoverageLiability coverage protects you if you bang up someone else or their property. No-Fault CoverageWhen it's unclear who's to blame, no-fault coverage can eliminate delays and legal costs. Collision CoverageIn many cases, collision coverage is optional, but there are many good reasons to include it in your policy. Medical-Payments CoverageDon't duplicate coverage you may already have. Protect Yourself from Uninsured DriversCover yourself and your passengers in case other drivers disobey state insurance laws. Comprehensive CoverageDon't forget about theft, fire and forces of nature.