What follows are our general observations and opinions. It is not legal advice, it is not a definitive statement of California law, and every situation depends on its own facts.
In a great many Los Angeles collisions, the at-fault driver’s insurance is not the limiting factor on what an injured person recovers — it is the only factor, and it runs out quickly. California’s minimum liability limits are low relative to what a single ambulance ride, an emergency room visit and an MRI cost. Uninsured and underinsured motorist coverage on your own policy is what fills that gap, and in our experience it is the most under-understood coverage most drivers own.
The short version: uninsured motorist coverage responds when the at-fault driver has no insurance or cannot be identified, such as a hit-and-run. Underinsured motorist coverage responds when the at-fault driver has insurance but not enough. Both are first-party coverages, meaning you claim against your own insurer — and that changes the dynamics of the claim considerably.
The offset that surprises almost everyone
The single most common misunderstanding we encounter is what an underinsured motorist limit actually delivers. As we read the standard California approach, UIM coverage is generally reduced by the amount recovered from the at-fault driver rather than stacked on top of it.
So a driver carrying a one hundred thousand dollar UIM limit who recovers thirty thousand from the at-fault motorist is generally looking at up to seventy thousand more from their own carrier, not another hundred thousand. And a driver whose UIM limit is equal to or lower than the at-fault driver’s liability limit may have no underinsured claim at all, however severe the injuries. That is worth checking on your own declarations page today rather than after a crash.
Our practical view is that UM/UIM limits are usually the cheapest meaningful protection on an auto policy, and that most people in Los Angeles carry far less of it than their exposure warrants.
Consent to settle: the step that can void the claim
This is the procedural trap we see cost people the most, and it is entirely avoidable.
Standard UM/UIM policy language generally requires the insured to obtain the carrier’s written consent before settling with, or releasing, the at-fault driver. The reasoning is that the carrier may want to preserve its own right to pursue that driver, and a release given without consent destroys it. Settle the liability claim first, sign the release, and then open the underinsured claim, and the carrier may take the position that the claim is barred.
The sequence we follow is straightforward: notify the UM/UIM carrier early, in writing, that a claim may be made; when a liability offer arrives, give the carrier written notice of the proposed settlement and the amount, and get consent or a waiver in writing before signing anything. It is a few letters, and it protects the larger part of the claim.
Hit-and-run and phantom vehicles
Uninsured motorist coverage generally reaches hit-and-run collisions, which matters in a city where they are common. But the requirements are specific and time-sensitive. As a general matter, these claims contemplate prompt reporting to law enforcement and prompt notice to the insurer, and where there was no contact between vehicles — a driver run off the road by a car that never touched them — carriers typically require corroborating evidence from someone other than the claimant.
What that means in practice: report it to LAPD or the relevant agency the same day and get a report number, look for a witness before leaving the scene, and note nearby businesses and residences whose cameras may have recorded it. Private camera footage in Los Angeles is frequently overwritten within a week or two, so a request made quickly is worth far more than one made a month later.
Arbitration, not a jury
Uninsured motorist disputes in California are generally resolved by arbitration rather than by a jury trial, under the framework in the Insurance Code. Underinsured claims often follow the policy’s own dispute mechanism. Either way, the forum is different from a conventional injury lawsuit, the rules are narrower, and the decision-maker is usually a single neutral.
We think that is worth knowing at the outset because it changes how a case is built. There is less room for the presentation that persuades a jury and more weight on documentary proof — records, billing, imaging, and a clear treatment narrative. Our note on medical liens and what you actually take home covers the other half of that picture, which is what the numbers look like after providers are paid.
Your own insurer is not automatically on your side here
People are often uncomfortable with the idea of making a claim against their own carrier. It is worth being clear-eyed about it. A UM/UIM claim is adversarial in substance: the carrier is deciding how much to pay out of its own funds, and it will evaluate the claim the way any insurer evaluates a claim. At the same time, an insurer handling a first-party claim owes its own insured duties of good faith that it does not owe a stranger, which is a meaningful difference in how unreasonable handling can be addressed.
Two practical cautions. First, be careful with recorded statements given early — they are taken before treatment is complete and are used later to argue the injuries were minor. Second, watch the deadlines. UM/UIM claims carry their own timing requirements that can be shorter than the general limitations period for an injury lawsuit, and they are found in the policy as well as in the Insurance Code. This is the one part of a crash claim where waiting to see how recovery goes is genuinely dangerous.
What to do now
Pull your declarations page and look for the UM and UIM limits. If the at-fault driver in your collision carried minimum limits, assume from the start that your own coverage is where the case is, and open that claim in writing rather than waiting. Keep every bill and every referral. Do not sign a release from the other driver’s insurer without dealing with consent first.
If you were hurt by an uninsured or underinsured driver in Los Angeles and want an honest read on what coverage is available, call (310) 556-9692. We handle injury matters on a fee taken from any recovery, with costs accounted for separately, under a written fee agreement signed before we begin. No outcome is guaranteed, and past results do not predict future results.
Related reading: our personal injury overview and motor vehicle accident page, plus injured on a Los Angeles sidewalk — who is actually responsible?
Again, these are our general views and opinions rather than legal advice or a definitive statement of California law. Reading this page does not create an attorney-client relationship between you and our firm, and every matter turns on its own facts.
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