Call For A Free Consultation(602) 345-1818Free Case Review
-
Cities Served
-
T-Shirt Lawyer
Fighting Suits,
Not Wearing Them.Enter the universeStories, animation and community. Created by Impact Legal.
Call For A Free Consultation(602) 345-1818Free Case Review
Fighting Suits, Stories, animation and community. Created by Impact Legal.
We're Here To Help 24/7
(602) 345-1818Injury claims rarely fall apart in one dramatic moment. They erode. A gap in treatment here, a deleted security video there, a friendly phone call that gets quoted back to you six months later. By the time anyone calls a lawyer, some of that damage is already baked into the file.
This article walks through the mistakes to avoid after a car accident claim in Arizona, why each one actually moves claim value, and what to do instead. We stay with documented mechanisms: Arizona’s crash report statute, consumer guidance from the Arizona Department of Insurance and Financial Institutions, and how federal crash investigators build a record. The right answer in your situation still depends on your facts, your policy language, and your deadlines.
An injury claim is a proof exercise. You are proving two things: that someone else’s conduct caused the crash, and that the crash caused specific, documented losses.
Economic damages are the quantifiable side of that ledger: medical bills, lost wages, projected future medical costs, and property damage. Every one of those numbers has to trace back to a document. A bill. A pay record. A treating physician’s chart. When the document does not exist, the loss usually does not count.
That is why “small” mistakes get expensive. Skipping follow-up care does not just delay your recovery. It deletes the record that proves the injury persisted. Letting a store overwrite its camera footage does not just lose a video. It removes the evidence that would have resolved the fault argument.
Claim value depends on injury severity, treatment history, proof of fault, available insurance limits, and how completely your economic and non-economic damages are documented. Mistakes attack the last three directly.
Two clocks start running the moment metal stops moving. One is medical. One is evidentiary.
The medical clock. Adrenaline masks injuries. Soft-tissue pain, concussion symptoms, and disc injuries frequently show up days later, which is why delayed symptoms after a car accident are so common and so often undertreated. If you wait two weeks to see a doctor, the other driver’s insurer has a ready argument: something else caused this. The same logic applies to gaps in the middle of treatment. A gap in medical treatment of a month or two gets characterized as recovery, not as a person who could not get time off work. If you are unsure whether your symptoms warrant a same-day visit, err toward getting evaluated. Our guide on when to go to the hospital after a car accident covers the warning signs.
Missing care deadlines also damages the forward-looking part of your claim. Future medical costs are not assumed. They have to be proven with qualified expert medical testimony projecting the treatment you are likely to need, generally to a reasonable degree of medical probability. That expert does not have to be your treating doctor; a retained medical expert can supply the opinion. But the opinion has to rest on a record, and your treatment chart is that record. Thin chart, thin foundation, and future medical expenses drop out of the number.
The evidence clock. The National Highway Traffic Safety Administration’s Special Crash Investigations program builds crash findings from scene inspection, vehicle examination, witness interviews, report review, medical records, and event data recorder downloads. That is a useful map of what a serious crash file can contain. Every one of those categories degrades with time. Vehicles get repaired or sold to salvage. EDR data disappears with the module, which is one reason a timely vehicle inspection matters. Private surveillance overwrites on a loop, often within days, which is why sending a preservation request for surveillance video early matters more than almost anything else you can do in week one. Witnesses forget details and change phone numbers.
Get the police report, but understand what the statute actually requires. Under A.R.S. § 28-667, an investigating officer must complete a full written accident report when the crash involves bodily injury, death, property damage over $2,000, or the issuance of a citation. Below that threshold, with no citation, injury, or death, only a portion of the report with limited required information is completed. So do not assume a detailed report exists in every case. And even a full report is a starting point, not the whole file. An officer’s diagram does not download your EDR, and a narrative does not preserve the other vehicle. A formal evidence preservation letter does work the crash report cannot.
You do not have to lie to hurt your claim. You just have to be imprecise.
Inaccurate statements. “I’m fine” at the scene becomes an admission of no injury. “I didn’t really see him” becomes uncertainty about the other driver’s lane position. “I was maybe going 45” becomes a speed estimate you never measured, offered under stress, that may contradict the physical evidence. Say what you know. Do not guess, and do not fill silence with speculation about fault. If you do not remember, the honest answer is that you do not remember.
Social posts. A photo of you at a family barbecue three weeks after the crash does not show how much you hurt the next morning. It shows you standing up and smiling. Claims files collect that material and use it to argue your limitations are overstated. The same goes for a gym check-in, a race bib photo, or a comment telling a friend the accident “wasn’t that bad.” You do not have to delete your life, but assume anything public gets read by someone whose job is to reduce the number.
Incomplete records. This one is quieter and costs more. Incomplete records look like this: you tell your doctor about your neck but never mention the headaches, so the concussion never enters the chart. You miss three physical therapy sessions and the notes say “no-show” with no explanation. You use paid time off instead of filing for wage loss, so there is no employer documentation of missed work. You pay for a brace out of pocket and lose the receipt. Each omission is a line item that disappears from your economic damages.
Tell every provider about every symptom, at every visit. Keep a simple folder: bills, explanation of benefits forms, out-of-pocket receipts, mileage to appointments, and a short pain and function journal. The Arizona Department of Insurance and Financial Institutions publishes consumer information on auto insurance, including coverage, claims, borrowed vehicles, rentals, and total-loss handling. Knowing what your own policy covers keeps you from absorbing costs that belong in the claim.
This is the mistake that usually cannot be undone.
A release is a contract. When you sign a general release of bodily injury claims and cash the check, you are typically closing the injury claim permanently, including for injuries and treatment you have not discovered yet. That matters because the check often arrives before you know your diagnosis. Six weeks after a rear-end crash, “sore neck” and “herniated disc requiring injections” look identical from the outside. Only one of them is a long treatment course.
Endorsing a settlement draft can carry the same effect. Some checks carry release language on the back or in an accompanying letter. Read what you are signing, and read what the check says.
There is also a scope problem people miss. Property damage and bodily injury are different claims. Resolving your vehicle damage does not have to mean resolving your injury claim, but a broadly worded release can sweep both in. If you have multiple sources of recovery, such as the at-fault driver’s liability policy, your own uninsured or underinsured motorist coverage, and a medical payments benefit, releasing one party without accounting for the others can cut off coverage you were counting on. Arizona also has separate statutory provisions governing time limits for uninsured and underinsured motorist claims (A.R.S. § 12-555) and insurer subrogation and medical payments reimbursement (A.R.S. § 20-259.01). Those run on their own track and need to be checked against your policy before anything gets signed.
Before signing, know your diagnosis, your treatment plan, your projected future care, and your total documented losses. We walk through the evaluation questions in should I accept the settlement offer.
In Arizona, personal injury claims generally must be filed within two years after the cause of action accrues, under A.R.S. § 12-542. Miss it and the claim is typically barred no matter how strong the facts are.
“Generally” is doing real work in that sentence. Arizona’s discovery rule can delay accrual so the clock starts when the injury and its cause were, or reasonably should have been, discovered. That matters for latent injuries.
Claims against a public entity or public employee follow a different and much tighter schedule. A notice of claim must be filed within 180 days after the cause of action accrues under A.R.S. § 12-821.01, and the lawsuit itself must be brought within one year after accrual under A.R.S. § 12-821. That one-year suit deadline is the one people miss after they have timely served a notice of claim, because they assume the two-year period still applies. It does not. Minors, tolling situations, and multi-party cases change the analysis again. Have the deadline analyzed early against your specific facts and parties rather than assumed.
Waiting also hurts you before any deadline arrives. Every month you wait is a month of evidence decay.
Usually not to the other driver’s insurer. As a practical matter, you have no contract with that company and no cooperation duty to it. Your own insurer is different. Most auto policies contain cooperation clauses requiring reasonable cooperation in the investigation of a claim, and what that requires depends on your specific policy wording. That is a document worth having reviewed before you sit for anything recorded.
Requests for recorded statements usually arrive early, framed as routine. They are recorded because the answers get quoted later. You can decline politely, take the adjuster’s name and direct line, and respond after you have guidance. For how these requests fit into the broader claims process, see common adjuster tactics.
One note on framing: an early or low opening position is not by itself bad faith. Arizona’s first-party bad faith standard asks more than whether you were disappointed. The insurer’s denial or delay must be objectively unreasonable, and the insurer must have known that or acted in reckless disregard of it. That is a fact-specific showing built on the claims file.
Here is the compounding effect most checklists skip.
Arizona applies comparative negligence under A.R.S. § 12-2505, which reduces a claimant’s recovery in proportion to that claimant’s own percentage of fault, and the statute treats the defense as a question for the jury. Sharing some fault does not automatically end the claim. There is an important carve-out, though: under subsection (A), there is no right to comparative negligence in favor of a claimant who intentionally, wilfully, or wantonly caused or contributed to the injury or wrongful death. Subsection (B) also provides that fault attributed to a claimant by operation of law counts as the claimant’s fault.
Now stack the mistakes on top. Every fault percentage is assigned based on evidence. When the surveillance video is gone, the vehicle has been crushed, and the only fault narrative in the file is the other driver’s version plus a guess you made at the scene, the percentage argument runs in one direction. Evidence loss does not just weaken liability. It makes a larger share of fault easier to argue against you, and that share comes straight off your documented damages.
If fault is disputed in your crash, look at the actual evidence supporting each assigned share rather than assuming the adjuster is acting improperly. Our page on how fault is proven explains what that evidence looks like in practice.
No. It creates an argument you have to answer. Gaps caused by work schedules, childcare, cost, or a provider’s waitlist are explainable, but the explanation is stronger when it is documented at the time rather than reconstructed a year later.
Often yes. Under A.R.S. § 12-2505, Arizona reduces damages in proportion to your share of fault rather than cutting off recovery for any fault at all, and the allocation is a jury question. Subsection (A) contains an exception: a claimant who intentionally, wilfully, or wantonly caused or contributed to the injury or death has no right to comparative fault treatment. Fault attributed to you by operation of law also counts against you under subsection (B).
Better not to. Posts and photos get pulled into claim files and used to argue your limitations are less serious than your medical records say. Even innocuous content can be read against you out of context.
For the other driver’s insurer, generally no. For your own insurer, your policy’s cooperation provision may require reasonable cooperation, and the specific wording controls. Have the policy language reviewed before agreeing.
Get it reviewed right away. The scope depends on its exact wording and which claims and parties it covers. Some documents are narrower than they appear, and a property damage settlement is not always the same as an injury release.
Personal injury claims are generally subject to a two-year limitations period under A.R.S. § 12-542, measured from accrual. Claims against public entities or public employees are different: a notice of claim within 180 days under A.R.S. § 12-821.01, and suit within one year under A.R.S. § 12-821. Discovery-rule issues, uninsured motorist time limits, and claims involving minors can shift the analysis further, so the date should be confirmed against your facts.
If your crash happened recently, the highest-value thing you can do this week is preserve evidence and get properly documented. If it happened months ago and you are looking at a release or a first offer, get it reviewed before you sign.
Our team handles car accident claims across the Phoenix metro and reviews these questions at no charge. You can learn more about how we work on our Phoenix car accident lawyer page. Fee and cost terms are set out in a written agreement.
Talk to us before talking to insurance: (602) 345-1818. Free case review with Jared J. Pehrson.
By Jared J. Pehrson | Impact Legal Car Accident Attorneys
A free conversation can help you understand your next step.