How does car insurance work?

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Car insurance helps pay for vehicle damages, injuries and other costs. While the U.S. federal government sets broad rules, each state creates its own laws and requirements for car insurance. So, it’s important to check local regulations to ensure you’re following the rules. Car insurance also helps protect you and your property in the event of an accident.
Car insurance coverage varies based on policy types and personal needs.
Jump to insightPremiums are influenced by factors such as driving history and vehicle type.
Jump to insightThe claims process involves filing reports and potential vehicle repairs.
Jump to insightTypes of car insurance coverage
Car insurance policies typically offer several types of coverage. Of the eight types, five are considered core coverage and three are additional or add-on options. Below is a quick overview of these types and how they help protect drivers.
Core car insurance coverage types:
- Liability coverage: Covers costs for injuries or damages to others if you’re at fault in an accident. Liability coverage is required in all states except New Hampshire.
- Comprehensive coverage: Protects against noncollision damage (e.g., theft, vandalism, natural disasters).
- Collision coverage: Pays for damage to your car in a collision, regardless of fault.
- Personal injury protection (PIP): Covers medical costs for you and your passengers, regardless of who is at fault.
- Uninsured/Underinsured motorist coverage: Protects you if you're in an accident with someone who has insufficient or no insurance.
Additional car insurance coverage types:
- Medical payments coverage: Pays for medical expenses after an accident, regardless of fault.
- Towing and labor coverage: Covers towing costs and labor fees if your car breaks down.
- Rental car reimbursement: Helps pay for a rental car if your vehicle is in the shop due to a covered incident.
Understanding the different types of car insurance coverage is the first step in choosing the right policy. Next, it's important to consider how various factors impact the cost of your car insurance.
How to file a car insurance claim
When filing a car insurance claim, understanding the process can help ensure you receive the coverage you’re entitled to. While the specifics may vary depending on the insurer and the incident, the general process remains similar. Here’s a step-by-step guide to filing a claim:
- Call the police: If someone is injured, call 911 right away. For minor accidents, use your local nonemergency line.
- Report the incident: Promptly reporting the event to your insurance company starts the claims process. By notifying them with all relevant details, you initiate the claim, allowing the insurer to assess the situation and begin the next steps in the process.
- Document the damage: Take photos, gather notes and file a police report if necessary. Many policies require a police report for accidents with injuries, significant damage or unclear liability.
- Submit documentation: Provide your insurer with the accident details, photos, police report and any witness statements.
- Inspection: An adjuster will assess the damage to your vehicle.
- Repair process: Follow the approved repair process. Ask your insurer if you're unsure how to proceed, as failure to comply could delay or deny your claim.
- Claim denial or dispute: If denied, review the reasons and consider filing an appeal. Seek help from your state's Department of Insurance if needed.
Remember that state laws can vary, so it’s important to familiarize yourself with your state’s specific rules to avoid potential issues with your claim. Additionally, take the time to review your policy’s coverage and procedures. Understanding your policy details, such as what’s covered and the steps required for filing a claim, can help ensure a smoother process and prevent any surprises during the claims process.



FAQ
Is car insurance mandatory in all states?
While car insurance is required in most states (except New Hampshire), each state sets its own laws and requirements. It's essential to research your state's specific rules to ensure compliance.
What happens if I drive without car insurance?
Driving without insurance can result in penalties, fines and suspension of your driver’s license, depending on your state’s laws.
How can I reduce my car insurance premiums?
You can lower your premiums by maintaining a clean driving record, choosing a vehicle with good safety features and taking advantage of available discounts, such as bundling policies or completing defensive driving courses.
Why is comprehensive coverage important?
Comprehensive coverage protects against damages not caused by a collision, such as theft, vandalism or natural disasters. It provides peace of mind by covering a wide range of potential risks.
Article sources
ConsumerAffairs writers primarily rely on government data, industry experts and original research from reputable publications to inform their work. Specific sources for this article include:
- Office of the Law Revision Counsel, “15 U.S.C. Ch. 93: Insurance.” Accessed Feb. 9, 2025.
- Texas Department of Insurance, “Auto insurance guide.” Accessed Feb. 9, 2025.
- California Department of Insurance, “Automobile Insurance Text Version.” Accessed Feb. 9, 2025.