How to Survive a Submerged Car

Being trapped in a sinking vehicle is about as terrifying as driving gets. The odds of it happening to you are slim — but it’s not as rare as you’d think: more than 10,000 water-related car accidents happen in the U.S. every year, and roughly 400 people drown inside their vehicles annually. In a moment like that, staying calm and doing the right things in the right order can save your life and everyone else’s in the car.

This guide walks you through exactly how to escape a submerged car, the safety moves for different situations, and the common mistakes that turn a bad situation deadly. Whether you’ve got kids, pets, or an unconscious passenger with you, these steps will help you act fast and confidently.

Why cars end up in water

It happens more often than people realize. The usual causes:

• Flooding or heavy rain: Flash floods can sweep a car clean off the road.
• Bridge or road failures: Nearly 12% of U.S. bridges are rated structurally deficient — a real collapse risk.
• Sliding off the road: Ice, distraction, or a sharp curve can send a car straight into a nearby lake or river.
• Collisions near water: Wrecks along rivers or coastal roads sometimes end with a car in the drink.

You often get little warning before the car starts going under, so knowing exactly what to do is everything.

How to escape a sinking car: step by step

Step 1: Stay calm and size it up

The moment your car hits the water, the first few seconds matter most. Most cars float for 30 to 120 seconds before they sink — a narrow window to get out. Panic burns that time and clouds your thinking, so take one breath and lock onto the steps below.

Step 2: Unbuckle immediately

The second you’re in the water, unbuckle your seatbelt. If it jams, cut it — which is why keeping a seatbelt cutter within reach is smart. Don’t try to help anyone else yet; free yourself first so you can clear the path to safety.

Step 3: Get a window open — fast

Your best way out is through a window, but you have to move before the water rises too high.

• Power windows often keep working for a few minutes even after the car’s in the water. Roll them down right away.
• If they won’t budge, break a side window with a hammer-style window breaker. Don’t waste effort on the windshield — it’s far tougher than the side glass.
• Heads up: not all car glass is tempered — some is laminated and won’t shatter. Know your car’s glass type and carry the right tool.

Step 4: Help your passengers (if you can)

Once you’re free and there’s an open escape route, turn to the others:

• With children:
  • Start with the oldest child, as they may assist with younger siblings.
  • For babies in car seats, unbuckle or remove the entire seat and push it through the window.
• With unconscious passengers:
  • Cut their seatbelt with a tool and support their head.
  • Push them through the window first to prevent them from blocking your escape.

Remember: time is short — get everyone out before the car drops any further.

Step 5: Climb out and swim up

With the window open or broken, get through it quickly. The front of the car usually sinks first, so don’t try to go out the windshield. Pull yourself through with your arms and push off the car to head for the surface.

• Disoriented underwater? Follow the bubbles — they always rise toward the surface.
• In ice-covered water, aim for the hole where your car broke through.

Can’t swim? Stay calm, save your energy, and float toward debris or anything buoyant until help reaches you.

Special situations: kids, pets, or injured passengers

If you’re traveling with pets:

• Keep small pets in carriers and push the carrier out first.
• For larger animals, stay calm so you don’t spook them, and guide them out the window as best you can — without risking yourself.

If a passenger is unconscious:

• Unbuckle them, or cut the belt if you have to.
• Push them through the window head-first, supporting their neck if you can.
• Swim alongside them on the way up to keep them from getting hurt.

If you can’t swim:

• Use the car as a platform to push off toward the surface.
• Grab floating debris or anything buoyant and hold on until you reach safety.

What NOT to do in a sinking car

1. Don’t open the door.
   It floods the car and sinks it faster — and once you’re submerged, water pressure makes the door nearly impossible to open anyway.
2. Don’t wait for the car to fill up.
   There’s a myth that you should let the car flood to equalize the pressure. In reality that takes longer than you’d think, and you risk drowning while you wait.
3. Don’t call 911 until you’re out.
   Every second counts, and a phone call slows your escape. Get out of the water first, then call for help.

Preparation: be ready before it happens

1. Keep an emergency tool within reach:
   Stash a glass-breaking hammer or multi-tool somewhere you can grab it instantly — on your keychain or clipped to the sun visor.
2. Practice an escape plan:
   Run the S.W.O. routine with your family: Seatbelt, Window, Out.
   • Seatbelts off
   • Window open or broken
   • Out—children first
3. Know your glass type:
   Some newer cars use laminated glass that ordinary tools won’t shatter. Check your windows for labels and buy the right tool if you need it.

After you’re out

• Swim to safety and call emergency services once you’re on land.
• If the water’s cold, get warm fast to fend off hypothermia.
• Even if you feel okay, get checked out — adrenaline can hide injuries you picked up during the escape.

Final thoughts: knowledge saves lives

Nobody plans to end up in a sinking car — but accidents strike out of nowhere, and knowing how to react can be the difference between life and death. Preparation is everything: keep the tools within reach, teach your passengers what to do, and rehearse the escape steps now and then.

Stay calm, move fast, and follow these steps, and you dramatically improve your odds of walking away. Driving solo or with kids, pets, and passengers, knowing how to get out lets you react with confidence and speed. Stay safe, stay prepared — and drive with peace of mind.

This guide lays out life-saving strategies for escaping a submerged car — the kind of knowledge every driver should have. Share these tips with the people you care about so they’re ready too.