| Claims process start | First Notice of Loss (FNOL) (Standard industry practice) |
| Settlement basis for total loss | Actual Cash Value (ACV) unless policy specifies otherwise (Standard policy language) |
| Common discount types | Multi-policy, good driver, good student, telematics, low-mileage (Vary by insurer and state) |
| Subrogation purpose | Insurer recovers paid claim amount from at-fault party (Insurance law principle) |
| Telematics data use | Monitors speed, braking, and mileage for usage-based pricing (Usage-based insurance programs) |
Why These Terms Matter
When a claim is filed or a discount applied to your premium, insurers use precise contractual language that can meaningfully affect your outcome. A misread term — confusing subrogation with indemnification, for instance — can lead to missed rights or unexpected costs. This reference defines the vocabulary that appears most frequently during the claims process and when evaluating discount eligibility.
For a broader foundation, see how an auto insurance policy is structured before diving into the terms below. Coverage-specific vocabulary is covered separately in the auto insurance coverage glossary.
| Claims process start | First Notice of Loss (FNOL) (Standard industry practice) |
| Settlement basis for total loss | Actual Cash Value (ACV) unless policy specifies otherwise (Standard policy language) |
| Common discount types | Multi-policy, good driver, good student, telematics, low-mileage (Vary by insurer and state) |
| Subrogation purpose | Insurer recovers paid claim amount from at-fault party (Insurance law principle) |
| Telematics data use | Monitors speed, braking, and mileage for usage-based pricing (Usage-based insurance programs) |
Core Claims Terms
These definitions cover the lifecycle of a typical auto insurance claim, from first notice of loss through final settlement.
First Notice of Loss (FNOL)
The initial report a policyholder makes to their insurer after an accident or covered event. Filing promptly and accurately is important because most policies require timely notification as a condition of coverage.
Adjuster
A licensed professional — employed by the insurer or working independently — who investigates a claim, assesses damages, and determines the amount the insurer will pay. An independent adjuster may work on behalf of either the insurer or the policyholder.
Subrogation
The legal right that allows your insurer, after paying your claim, to recover that amount from the party responsible for the loss. By accepting a claim payment, you typically agree to cooperate with your insurer's subrogation efforts.
Indemnification
The principle that insurance restores the policyholder to the same financial position they were in before the loss — no better, no worse. It prevents a policyholder from profiting from a claim.
Proof of Loss
A formal, sworn statement submitted to the insurer that documents the details and value of a claim. Many policies require this document within a specific timeframe after the loss.
Deductible
The amount you pay out of pocket before your insurance coverage pays the remainder of a covered claim. A higher deductible generally lowers your premium, and vice versa.
Diminished Value
The reduction in a vehicle's market value that persists after it has been repaired following an accident. Some states allow policyholders to claim diminished value from the at-fault party's insurer.
Salvage Title
A designation issued by a state motor vehicle authority when a vehicle has been declared a total loss by an insurer. A salvage-titled vehicle typically has lower insurability and resale value.
Actual Cash Value (ACV)
The market value of a vehicle at the time of loss, accounting for depreciation. Insurers use ACV to settle total-loss claims unless the policy specifically provides replacement cost coverage.
Reservation of Rights
A written notice from an insurer indicating it will investigate a claim while reserving its right to deny coverage later if the facts warrant. It does not mean the claim has been denied.
Surcharge
A premium increase applied after an at-fault accident or moving violation. The amount and duration of a surcharge vary by insurer and state regulation.
Telematics
Technology that collects and transmits real-time vehicle and driving data — including speed, braking patterns, and mileage — via an onboard device or mobile app. Insurers use this data in usage-based insurance programs.
Terms vary by insurer and state. Always read your actual policy documents and consult a licensed insurance agent if a term is unclear or a dispute arises. For a fuller vocabulary list, the auto insurance terms every driver should know article is a useful companion reference.
Coverage Terms Are Separate from Claims Terms
This glossary focuses on claims and discount vocabulary. Definitions for coverage types — such as liability, collision, and comprehensive — are explained in the auto insurance coverage types guide. Reading both references together gives you a more complete picture of your policy.
Discount Terminology Explained
Discounts reduce the premium you pay, but each type comes with eligibility conditions defined in your policy. Understanding what qualifies — and what disqualifies — helps you accurately represent your situation to your insurer.
- Multi-policy discount
- A premium reduction offered when two or more insurance products (such as auto and homeowners) are held with the same insurer. Sometimes called a bundling discount.
- Good driver discount
- A reduction granted to policyholders with no at-fault accidents or moving violations within a specified lookback period, commonly three to five years.
- Good student discount
- Available to full-time students who meet a minimum GPA threshold set by the insurer, recognizing a statistical correlation between academic performance and lower claim frequency.
- Telematics discount
- A usage-based reduction tied to data collected through a device or smartphone app that monitors driving behaviors such as speed, braking, and mileage. Participation is voluntary, and discount amounts vary based on the data recorded.
- Low-mileage discount
- Applied when annual mileage falls below a threshold defined by the insurer, reflecting lower exposure to loss.
- Affinity or group discount
- A reduction available through membership in a qualifying organization, employer, or professional association that has a group arrangement with the insurer.
Discount eligibility, amounts, and stacking rules differ by insurer and state. Never assume a discount applies automatically — verify with your insurer and review your declarations page to confirm it has been applied. The policy basics hub covers how premiums, discounts, and deductibles interact within a policy.