Car Accidents February 26, 2026 · 5 min read

What to Do in the First 24 Hours After a Car Accident in California

The steps you take immediately after a car accident can make or break your personal injury case. Here's exactly what to do in the critical first 24 hours.

Getting into a car accident is one of the most disorienting experiences you can go through. Your adrenaline is pumping, you might be in pain, and you’re probably not thinking clearly about the legal and medical implications of what just happened.

But the steps you take in the first 24 hours after an accident can dramatically affect your ability to recover fair compensation. Here’s what you need to do — and what to avoid.

At the Scene: The First 30 Minutes

1. Check for Injuries and Call 911

Your safety comes first. Check yourself and your passengers for injuries. If anyone is hurt — even if injuries seem minor — call 911 immediately. Many serious injuries like whiplash, concussions, and internal bleeding don’t show obvious symptoms right away.

A police report also creates an official record of the accident, which becomes critical evidence in your claim.

2. Document Everything You Can

If you’re physically able, pull out your phone and start documenting:

  • Photos of all vehicles from multiple angles, showing damage
  • The accident scene including road conditions, traffic signs, skid marks, and debris
  • Your injuries — bruises, cuts, swelling, anything visible
  • The other driver’s license plate, insurance card, and driver’s license
  • Contact information from witnesses — names and phone numbers

This evidence disappears fast. Skid marks get washed away by rain. Witnesses drive off. The more you capture now, the stronger your case will be.

3. Don’t Admit Fault — Even Partially

This is crucial. In the heat of the moment, it’s natural to say things like “I’m so sorry” or “I didn’t see you.” These statements can be used against you later.

California follows a comparative fault system, meaning your compensation can be reduced by your percentage of fault. Even a casual apology can be twisted by insurance adjusters to argue you were partially responsible.

Stick to the facts when talking to the other driver and the police. Describe what happened without speculating about who was at fault.

Within the First Few Hours

4. Seek Medical Attention — Even If You Feel Fine

This is the single most important piece of advice in this entire article. Go to the doctor or emergency room, even if you feel okay.

Here’s why:

  • Adrenaline masks pain. You might feel fine at the scene but wake up the next morning barely able to move your neck.
  • Some injuries take days to manifest. Traumatic brain injuries, herniated discs, and internal bleeding often have delayed symptoms.
  • Medical records create a timeline. Insurance companies will argue that if you waited days to see a doctor, your injuries must not be that serious. An immediate medical visit eliminates this argument.

As a firm led by a former chiropractor with 20 years of clinical experience, we understand exactly how injuries develop after an accident. John Reardon has treated thousands of accident victims and knows that “I feel fine” right after a crash often turns into chronic pain weeks later.

5. Do Not Talk to the Other Driver’s Insurance Company

The other driver’s insurance adjuster may call you within hours of the accident. They’ll sound friendly and concerned. They’ll say things like “We just want to get your side of the story” and “We want to get this resolved quickly for you.”

Do not give a recorded statement. Their goal is to get you to say something that minimizes your injuries or implies fault. They are not on your side — they are trained professionals whose job is to pay you as little as possible.

If they call, simply say: “I’m not comfortable discussing this without my attorney present.” That’s it.

By the End of Day One

6. Start a Recovery Journal

Begin documenting how you feel — physically and emotionally — every single day. Write down:

  • Pain levels (on a scale of 1-10) and where it hurts
  • Activities you can’t do that you normally could
  • How the accident is affecting your sleep, work, and daily life
  • Any emotional symptoms: anxiety, flashbacks, difficulty concentrating

This journal becomes powerful evidence of your pain and suffering, which is a real and compensable part of your claim.

7. Contact a Personal Injury Attorney

Time is your enemy after a car accident. Evidence degrades, witness memories fade, and California’s statute of limitations gives you only two years to file a personal injury lawsuit.

But beyond the legal deadlines, early attorney involvement protects you in ways most people don’t realize:

  • We can send a spoliation letter to prevent the other party from destroying evidence
  • We handle all communication with insurance companies so you don’t accidentally hurt your case
  • We can connect you with doctors who understand how to properly document accident injuries
  • We investigate the accident while evidence is still fresh

What NOT to Do

A few things that can seriously damage your case:

  • Don’t post on social media about the accident. Insurance companies monitor your accounts. That photo of you smiling at dinner can be used to argue you’re not really in pain.
  • Don’t accept a quick settlement offer. The first offer is almost always a lowball. Insurance companies know that injured people facing medical bills are tempted to take fast cash. Don’t fall for it.
  • Don’t skip follow-up medical appointments. Gaps in treatment give insurers ammunition to claim your injuries aren’t serious.

The Bottom Line

The first 24 hours after a car accident set the foundation for everything that follows — your medical recovery, your insurance claim, and any potential lawsuit. The decisions you make during this critical window can mean the difference between full compensation and walking away with far less than you deserve.

If you or someone you love has been in a car accident in California, call us. The consultation is free, and you pay nothing unless we win your case.

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