Accident Not Your Fault? How to Deal With the Other Driver's Insurance

When someone else causes the crash, their insurance company is supposed to make you whole. Notice what is missing from that sentence: any obligation to make it easy. You are a third-party claimant — not their customer — and the claim moves at the speed of your documentation and follow-up. Here is how the process actually works, drawn largely from the Texas Department of Insurance's consumer guidance, and what to do when the other insurer stalls.

At the scene: collect what the claim will need

The Texas Department of Insurance's checklist is refreshingly concrete:

• Take a picture of the other driver's insurance card and driver's license. If there is no card, get their name, phone number, insurance company name, and policy number.
• Give the other driver your information too.
• Photograph all vehicles involved, including license plates and damage, plus street signs and road angles.
• Talk to witnesses and get names and phone numbers.
• If police respond, note the agency and get the report number — you will send that report to the other insurer.

Describe what happened factually and let the adjusters assign fault. You do not need to argue fault at the roadside, and you should not accept a cash offer to keep insurance out of it — injuries and hidden damage surface later, after the handshake.

Filing the third-party claim

The sequence, per Texas's guidance: file a claim with the other driver's insurance company, let your own insurer know about the crash, get a copy of the police report if one was made, and send it to the other insurance company.

That second step — notifying your own insurer even though you were not at fault — is the one people skip, and it matters. Your policy requires prompt notice, and if the other side's insurer stalls or their driver turns out to be uninsured, your own coverage is the fallback. Notifying is not the same as claiming; it just keeps your options open.

When it goes as designed, the Texas Department of Insurance says the other driver's insurance should pay for your car repairs, medical bills, and a rental car. You generally deal with their adjuster, who inspects the damage and makes an offer. Keep every receipt, and keep your own repair estimate handy as a check on theirs.

When the other insurer stalls or refuses

The failure modes are predictable: they say their driver was not at fault and refuse to pay, they dispute part of the damage, or they simply stop returning calls and emails. Texas's advice for the refusal case: ask for their reason in detail and in writing. A written denial commits them to a position — and gives you the document you need for every escalation that follows.

Be measured about recorded statements to the other driver's insurer. You are generally not obligated to give one on their schedule, and there is no advantage in improvising answers on a call you did not expect. Facts, in writing, at your pace.

The fallback: your own policy

If the other insurer will not pay, will not pay enough, or their driver is uninsured, you switch doors. Texas's guidance: file with your own company — collision coverage pays your repair costs, and uninsured/underinsured motorist coverage pays when the at-fault driver had no insurance or too little.

Yes, that means paying your own deductible on a crash you did not cause — temporarily. What happens next is subrogation: your insurance company will try to recover what it paid from the other driver's insurance, and if they get money back, you may get your deductible reimbursed. It is slower than justice should be, but it converts a fight you would have had alone into one your insurer runs with lawyers on staff.

Escalation, in order

• Ask the other insurer for a written, detailed reason for any denial or shortfall.
• Counter with evidence: photos, the police report, witness contacts, repair estimates.
• If handling seems unfair or dilatory, complain to your state insurance department — free, and insurers answer regulator inquiries with more care than claimant calls. Note that regulators are limited on pure fault and damage disputes.
• Use your own collision or UM coverage and let subrogation chase the money.
• For amounts that justify it, small claims court or an attorney is the last rung — and for injury claims of any size, legal advice early is rarely wasted.

The bottom line: a not-at-fault claim runs on scene evidence, the police report, and written positions — collect ruthlessly, file with their insurer, notify your own, and demand denials in writing. When they stall, your own collision or uninsured motorist coverage plus subrogation is the pressure release, deductible usually returning when your insurer recovers. Process details and complaint channels vary by state, so your state insurance department is the authority for yours.