Car insurance claims: the complete guide
How a car insurance claim actually works — filing, fault, valuation, total loss, disputes, deadlines — with the rules for your state or country and what AI is changing.
A car insurance claim is a negotiation with a fixed script: you report, an adjuster investigates, the insurer decides how much it owes and to whom, and every step has a clock attached. Most of the money you will or will not receive is decided in the first two weeks, usually by what you documented and what you said.
These guides follow that script in order. Each one ends with the rules for your own state or country — deadlines, fault rules, minimum coverage, who to complain to — cited to the statute or regulator, and with a note on where AI is already handling part of the process.
For drivers
You had an accident. Here is what to do, in order, and how the claim will be handled.
For companies and fleets
Company cars, fleets and employees who drive for work: who is liable, which policy responds, and how to run the claim.
For claims professionals
Adjusters, brokers and lawyers: how AI is changing estimation, triage, fraud detection and litigation.
Guides
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What to do after a car accident — in the order that protects your claim
The first hour after a crash decides most of what the insurer will later pay. Here is what to do, what to record, and what not to say, in order.
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How to file a car insurance claim — and what happens to the file after you do
Filing takes fifteen minutes. What you file decides months. Here is the sequence a claim goes through, and where your decisions actually change the outcome.
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Claim on your own policy or the other driver's? What changes either way
The same crash produces two very different claims depending on which insurer you go to. The difference is not who pays in the end — it is who owes you anything while you wait.
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How fault is determined — the words that decide it, and who says them
Fault is not a moral verdict about who drove badly. It is a legal allocation made from a handful of defined terms, usually by an adjuster rather than a court. Here are the terms.
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How adjusters value a claim — where the number actually comes from
The figure on the offer letter was not chosen. It was assembled, from parts databases, labour rates, comparable vehicles and, increasingly, models. Knowing which input produced it tells you which ones are worth disputing.
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Total loss — what happens when the insurer writes off your car
A write-off is a decision made by arithmetic, and everything after it follows a fixed sequence: a valuation report, a set of additions and deductions, a title consequence, and a cheque you can still argue with. This is that sequence, walked end to end.
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Diminished value — when a repaired car is worth less, and who owes you the difference
A properly repaired car can still sell for less than an identical one that was never hit, because the damage is now part of its record. Whether that loss is recoverable runs from clearly yes to clearly no, and most real claims sit in the contested middle.
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Bodily injury claims — how the timeline decides what you recover
An injury claim is not argued so much as accumulated. Its value is fixed by things that happen in a sequence — treatment, recovery, a demand, a release — and the decisions that cost claimants most are decisions about when, not about how forcefully to argue.
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Rental cars, loss of use and towing — who pays for the days you have no vehicle
Three different mechanisms can put a car under you while yours is being repaired, and they have different triggers, different caps and different stopping points. The money is lost in the gaps between them, not in any one of them.
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Denied, or an offer far below the damage — how to read the letter before you answer it
A refusal and a low offer are the same document doing different amounts of work. Read it in order — the decision, the reason, the provision, the findings, the number, the review paragraph — and most of what looks like an argument turns out to be a factual disagreement with a date on it.
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Do you need a lawyer for a car insurance claim — what changes when one is involved
Retaining counsel changes who the adjuster talks to, how the file is priced and how long it takes. Whether it changes the outcome depends on where your claim sits, and at one end of that range the honest answer is no.
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Car insurance claim deadlines — four clocks, and the different days they start
There is no single deadline. A duty to notify your own insurer, a legal period to bring a claim, the response times the insurer owes you and a complaint window all run at once, start on different events, and fail in different ways.
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Uninsured and underinsured motorist claims — when there is nothing behind the other car
Four quite different situations get filed under the same heading, they lead to different routes, and the route decides who you end up arguing with. In most of them the answer is your own insurer, which changes the negotiation more than people expect.
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How a claim affects your premium — the record, the discount and the renewal
A claim becomes a record before it becomes a price, and the price arrives at renewal, long after the event that caused it. Two separate things move: a discount you had earned, and an underwriting view of you. Only one of them is written down anywhere you can read it.
Tools
Free, no sign-up. Everything runs in your browser.
Crash simulator
Rebuild your accident in 3D, watch the replay, and get the numbers, diagram and narrative a claim needs — pedestrians and cyclists included.
Claim readiness checklist
A working checklist for a car insurance claim, for a driver or for a company running vehicles. Each item says why it matters. Your ticks stay in your browser and the list prints.
Claim deadline calculator
Pick where the accident happened and the date it happened, and read the deadlines to go to court and the insurer’s own response periods as dates, each cited to the instrument it comes from.
Total loss estimator
Test a repair estimate against a total-loss threshold you choose yourself, and see the payout arithmetic laid out, including the version where you keep the wreck. Every figure is an illustration of what you typed.
Do I need a lawyer?
Six questions about your claim, and a straight answer about whether legal advice is likely to change the outcome. No referrals, no panel of firms, nothing to sell.
Car insurance claim rules by state and country
Fault system, deadlines to claim and to sue, insurer response times, minimum liability coverage and the regulator to complain to — one page per jurisdiction, every rule cited.
AlaskaAlbertaArgentinaArizonaBritish ColumbiaCaliforniaChileColombiaColoradoConnecticutDelawareDominican Republic Rules by state & country →
This guide explains how car insurance claims generally work. It is not legal advice, does not create a lawyer–client relationship, and is not a statement of any insurer's or regulator's position. Rules change and differ by jurisdiction; check the cited instrument and, where money or injury is at stake, consult a licensed professional in your jurisdiction.