When you cause a crash, your car insurance works in layers: your liability coverage pays the other driver’s injuries and vehicle damage up to your policy limits, your collision coverage (if you carry it) repairs your own car minus a deductible, and your own medical bills are covered only if you have personal injury protection, medical payments coverage, or health insurance to fall back on. That is the short version of how car insurance works when you’re at fault. The longer version matters, because an at-fault accident typically pushes your premiums up by roughly 45 percent, can expose your personal assets when damages exceed your limits, and in serious cases triggers license points or an SR-22 filing.
What Your Liability Coverage Pays the Other Driver
Liability insurance is the policy that pays the other party when you cause the accident. It splits into two pieces. Bodily injury liability covers the other driver’s medical bills, lost wages, and pain and suffering. Property damage liability pays for their vehicle repairs or replacement.
Every state except New Hampshire requires drivers to carry minimum liability coverage, but the required amounts are low. Bodily injury minimums range from $15,000 per person in some states to $50,000 per person in others. Property damage minimums run from $5,000 to $25,000. You’ll often see these written as shorthand like “25/50/25,” which means $25,000 per person for bodily injury, $50,000 per accident for bodily injury, and $25,000 for property damage.
Here is the problem those numbers hide. A single emergency room visit with surgery can easily exceed $50,000. If the other driver’s medical bills or repair costs blow past your limits, you are personally on the hook for the balance. That gap is the single biggest financial risk of being underinsured, and it’s the reason state minimums should be treated as a floor rather than a recommendation.
How Your Own Car Gets Repaired
Liability only pays the other party. To fix your own car after an at-fault accident, you need collision coverage. It’s technically optional, but if you’re financing or leasing, your lender almost certainly requires it.
Collision comes with a deductible you pay before the insurer covers the rest. Deductibles typically run from $250 to $2,000, with $500 the most common. A higher deductible lowers your premium but costs you more cash at claim time.
If repair costs exceed your car’s market value, the insurer declares it a total loss and pays the actual cash value instead of the repair bill. That value factors in depreciation, mileage, wear, and prior damage, so the payout will be less than what you originally paid. If you still owe more on your loan or lease than the car is worth, gap insurance covers the difference. Without it, you can owe thousands on a car you can no longer drive.
Who Pays for Your Own Injuries
Your bodily injury liability pays the other driver’s medical bills, not yours. If you’re hurt in a crash you caused, a separate coverage has to pick up your treatment. Three options exist, depending on your state and policy:
- Personal Injury Protection (PIP) is mandatory in the roughly dozen no-fault states and available as an add-on elsewhere. It covers your medical bills, lost wages, and sometimes funeral costs regardless of fault.
- Medical Payments coverage (MedPay) is an optional add-on that pays your medical expenses after an accident no matter who caused it. Limits are typically lower than PIP and it doesn’t cover lost wages, but it pays out quickly with minimal paperwork.
- Health insurance is your backstop if you carry neither PIP nor MedPay. It will cover treatment, but copays, deductibles, and network restrictions can pile up fast after a serious injury.
Without at least one of these in place, an at-fault accident where you’re also hurt means paying your own medical bills entirely out of pocket.
Filing the Claim
Report the accident to your insurer as soon as you can. Some companies want notice within 24 hours; most give you a few days. Waiting can complicate the claim or give the insurer grounds to dispute coverage.
Have this information ready when you call: the date, time, and location of the crash; what happened in your own words; the other driver’s contact and insurance details; and the police report number. Photos of the damage, skid marks, road conditions, and vehicle positions strengthen the file. So do witness contact details if fault is later disputed.
After you file, an adjuster evaluates the damage, reviews repair estimates, and assesses any medical claims. If total costs fall within your policy limits, your insurer handles payment directly. If costs exceed your limits, you’ll hear from your insurer about the shortfall, and the other party may come after you for the balance.
One process that often confuses people: if the other driver files through their own insurer first, that company pays their policyholder and then pursues your insurer to recover what it spent. This is called subrogation. Your insurer handles it, the cost comes out of your liability coverage, and where fault is shared the two insurers negotiate a split based on each driver’s percentage of responsibility. Subrogation doesn’t create additional costs for you beyond what your policy already covers, but it can keep the claim active longer than you’d expect.
How the Accident Affects Your Premiums
An at-fault accident is one of the most expensive things that can happen to your insurance rate. Drivers with a clean record pay roughly $99 per month on average for liability coverage. Drivers with an at-fault accident on their record pay around $132, an increase of about 45 percent. The exact hit depends on your insurer, your state, and how serious the crash was.
The surcharge doesn’t last forever, but it lingers longer than most people expect. Insurers review several years of driving history when setting rates, and the surcharge period varies by company and state. Many drivers see premiums start to normalize around three to five years after the accident, assuming no new incidents.
Accident Forgiveness
Some insurers offer accident forgiveness that prevents a rate hike after your first at-fault claim. The programs vary. Some companies include basic forgiveness automatically for long-term customers; others sell it as a paid add-on that slightly raises your baseline premium in exchange for protection later. Eligibility often depends on your driving history, the benefit usually applies to one accident per policy period, and it isn’t available in every state. If you’ve never been at fault before, ask your insurer whether you already have it or can add it before you need it.
When Damages Exceed Your Policy Limits
This is where being at fault gets genuinely dangerous financially. If you carry state-minimum coverage and the accident causes serious injuries, your limits can be exhausted quickly. Once your insurer pays up to the cap, the injured party can come after your personal assets for the rest.
A judgment above your coverage can lead to wage garnishment, and depending on your state’s exemption laws, a creditor with a judgment may also reach bank accounts, real property, and other non-exempt assets. If your income comes only from protected sources like Social Security, disability benefits, VA payments, or a pension, you may effectively be judgment-proof, because creditors can’t collect from those streams. That’s cold comfort for anyone with a regular paycheck or meaningful savings.
Umbrella Insurance
A personal umbrella policy picks up where your auto liability leaves off. Once your underlying limits are exhausted, the umbrella covers the excess up to its own cap, which typically starts at $1 million. The cost is low for the protection: roughly $380 per year for a $1 million policy, with each additional million running about $75 more. Most insurers require you to carry a certain level of underlying auto and homeowner’s liability before they’ll sell you an umbrella, which pushes you toward stronger base coverage anyway. For anyone with assets to protect, one serious accident with injuries can produce a judgment well into six figures, and a $1 million umbrella costs about a dollar a day.
License Points and SR-22 Requirements
An at-fault accident can also hit your driving record with points. Points accumulate and can eventually lead to license suspension. The number of points and the suspension threshold varies by state, and the more serious the underlying violation, the heavier the penalty.
If the accident involved a DUI, reckless driving, driving without insurance, or significant injuries, your state may require you to file an SR-22. That’s a certificate your insurer files with the state proving you carry at least the minimum required coverage.1Nationwide. What Is an SR-22 and When Is It Required? Most states require you to maintain the SR-22 for about three years. If your coverage lapses during that period, your insurer notifies the state and your license can be suspended again.
The SR-22 itself carries a one-time filing fee from your insurer, and the underlying violation will already have spiked your premiums. Some insurers won’t write policies for drivers who need an SR-22 at all, forcing you into high-risk specialty carriers at significantly higher rates. Premiums often start dropping once you’re a few years removed from the violation with no new incidents.
Disputing the Fault Determination
Insurers don’t always get fault right, and you aren’t stuck with their initial call. Start with your own insurer’s internal appeals process. Submit any additional evidence: dashcam footage, photos you took at the scene, witness statements, anything that contradicts the initial finding. If the police report contains errors, you can often request a correction or supplement from the responding agency.
If your insurer won’t budge, some state insurance departments offer mediation, where a neutral party helps both sides negotiate. It’s non-binding, so neither you nor the insurer has to accept the outcome, but it can break a stalemate without the cost of a lawsuit. If your policy includes an arbitration clause, that may be the next step, and an arbitrator’s decision is binding based on the evidence presented.
Litigation is the last resort. It’s expensive, slow, and uncertain. When the stakes are high enough, particularly when the fault call means tens of thousands of dollars in liability, an attorney who handles auto insurance disputes can evaluate whether the evidence supports challenging it.
Lawsuits Beyond the Insurance Payout
Even after your insurer pays, the injured party can still sue you if they believe the compensation was insufficient. That happens most often when damages exceed your policy limits, but it can also happen when the other party seeks damages the insurance settlement didn’t fully cover, like pain and suffering.
In a civil suit, the injured party can seek compensation for medical expenses, lost income, reduced earning capacity, and non-economic damages like pain and suffering. Jury verdicts in serious injury cases can reach well into six figures or higher.
Cases involving reckless behavior, like excessive speeding or driving under the influence, can also trigger punitive damages. Those are designed to punish dangerous conduct rather than compensate the victim, and they can multiply the total judgment substantially. Your liability insurance and even your umbrella policy may not cover punitive damages depending on your state’s rules, leaving you personally exposed.
The best protection is carrying liability limits well above your state’s minimums and adding an umbrella policy if you have assets worth protecting. The gap between minimum coverage and what a serious accident actually costs has only widened over time.