3 Fast, Safe Steps When Your Keys Are Locked in the Trunk
If any door or window on your car is still open, get inside and pull the interior trunk release or fold down the rear seats to reach your keys. If every point of entry is locked, your fastest safe option is roadside assistance or a mobile locksmith. If a child or a pet is trapped in the trunk, call 911 immediately and do not wait.
TL;DR:
Checking all doors, windows, and rear seats often resolves lockouts without tools, especially if a door or window is still unlocked or cracked.
Hidden mechanical keys inside key fobs can frequently unlock the driver’s door and avoid more invasive methods.
Using manufacturer apps or remote services can sometimes unlock your vehicle, but only if they are already set up beforehand.
Professional help should focus on non-destructive techniques initially, as forced entry can cause costly damage or trigger alarms.
Immediate emergency assistance is crucial if a child, pet, or vulnerable person is trapped in a trunk or cabin, as rescue takes priority over vehicle access.
Table of Contents
Fastest Steps to Try Before You Call for Help
Work through these steps in order. Most trunk lockouts resolve in the first three.
Check every door, hatch, and window on the vehicle. Many drivers assume the car is fully locked when one point of entry, often a rear door or a window left cracked, is still open.
Ask if anyone nearby has a spare key or knows where one is kept, including a magnetic key box stashed on the vehicle.
Try your phone’s manufacturer app if your car supports remote unlock. Some models let you unlock doors or even the trunk directly from a smartphone.
If none of those work, stop trying to force anything and move to professional help.
A few things to rule out first:
A second key fob at home, with a family member, or in a bag you were carrying earlier.
A valet key or spare stored in a wallet or drawer.
Any manufacturer telematics subscription (the kind that offers remote start or remote lock) already active on your account.
Skipping straight to prying or wedging tools before checking these basics is how a simple lockout turns into a repair bill.
If You Can Get Inside the Cabin
Getting into the cabin changes everything, because most trunks can be opened from inside without tools. Almost every sedan and hatchback built in the last two decades has an interior trunk release, usually a small lever or button near the driver’s seat, in the glovebox, or on the trunk lid itself if you can reach it through a folded seat.
Look for a pull lever low on the driver’s door frame or under the seat.
Check for a labeled trunk release button on the dashboard or center console.
If neither exists, try folding down the rear seats. Most split-folding seats release with a strap or small lever at the top of the seatback.
Some SUVs and older sedans have a separate emergency release handle inside the trunk itself, glow-in-the-dark on newer models.
Rear seat latches can be fragile on older vehicles, so stop if a seat resists folding rather than forcing it. Before you do any of this, check your key fob itself: Consumer Reports notes many fobs hide a small mechanical key inside the plastic housing, which can sometimes solve the problem without touching the trunk at all.
Pro Tip: Pop the fob apart before you try anything else. A hidden mechanical key can save you the whole process.
If Every Door and Hatch Are Locked
Once the cabin is sealed too, your options narrow to back up systems and outside help. Start with the fob itself. Most fobs conceal a small mechanical blade that fits the driver’s door keyhole, often tucked behind a trim panel or bumper cap that has faded to match the car’s paint. Owner’s manuals list the exact steps for this and other model-specific backups, since the location and procedure vary by make.
Look for the driver’s side keyhole, often hidden under a small cap near the handle.
Check whether your automaker offers a phone-based or dealer-assisted remote unlock service tied to your account.
Consider a jump-start only if a dead 12-volt battery is the actual cause and you know how to do it safely, since a flat battery can disable keyless entry entirely.
Call roadside assistance if you have coverage through your insurer, credit card, or an auto club.
Call a mobile automotive locksmith if roadside assistance is unavailable or delayed.
AAA advises drivers to verify every door and the trunk itself before assuming a full lockout, and notes that police often respond fastest when someone is trapped inside a vehicle. Breaking a window should be treated as a last resort. It solves the immediate problem but adds a repair cost and, on some models, can trigger alarm or electrical issues that complicate the fix further. For more on fob-related lockouts specifically, see what to do when your key fob battery is dead.
When to Call 911 Instead of Waiting
Call 911 immediately if a child, an older adult, or a pet is locked inside the trunk or cabin and could be at risk from heat or cold. Also call if you feel unsafe where you are parked or notice suspicious activity nearby, since police can respond faster than a locksmith in either case.
Dispatchers will ask for your vehicle’s make, color, and license plate, your exact location, and the condition of anyone trapped. AAA’s guidance is direct on this point: safety comes before saving the vehicle, and police may break a window themselves if the situation calls for it.
What Roadside Assistance and Locksmiths Actually Do
Professionals almost always try non-destructive entry before anything else. That usually means a thin wedge tool to gently separate the door or trunk from its frame, followed by a long-reach tool to trip the internal lock or release mechanism, techniques that trained technicians use specifically to avoid the paint and weatherstripping damage that DIY coat-hanger attempts often cause.
A locksmith will typically ask for proof of ownership, such as registration or a matching ID, before opening or duplicating a key.
If your key is lost rather than just out of reach, the locksmith can often cut and program a new one on the spot depending on the vehicle.
AAA Central Penn explains that when non-destructive methods fail, the next steps are usually towing to a dealer or a locksmith visit, with membership reimbursement available up to set limits for members who use an outside locksmith.
Timing is usually faster for a locksmith than a tow, since a tow adds the dealer’s own wait time for replacement keys.
Learn more about the range of services a mobile technician can offer in automotive locksmith services for car key replacements.
Preventing the Next Trunk Lockout
A little preparation now saves you the same scramble later.
Keep a spare key with a trusted family member or in a secure magnetic box mounted somewhere on the vehicle, never inside it.
Set up and test any manufacturer phone-key or remote-unlock feature before you need it, not during an emergency.
Locate the mechanical key inside your fob and the driver’s keyhole location now, while you’re calm and have time to check the manual.
Build a habit, like a keychain lanyard or a mental checklist before closing the trunk, so keys never end up inside by accident.
Pro Tip: Snap a photo of the trunk release location and the fob’s mechanical key steps and save it in your phone. It takes thirty seconds and solves half of future lockouts.
If you’ve had more than one lockout, it may be worth having a locksmith cut a spare and walk you through your vehicle’s backup options directly. For related issues, see what to try if your key gets stuck in the ignition.
Why Non-Destructive Methods Should Always Come First
Most trunk lockouts are solvable without a single tool touching the car’s body, and the biggest mistake we see is people reaching for a coat hanger or screwdriver before checking the simple options first. A folded seat, a hidden mechanical key, or a working app often resolves the situation in minutes, while forced entry frequently causes damage that costs more to fix than the lockout itself.
Trained technicians are taught to try every non-destructive route, wedge and reach tools, manufacturer backups, telematics, before anything more invasive. That order matters, and it’s the same order this guide follows.
— Brian
Get Help Now From Local Locksmith & Car Keys Delaware
When you’re standing at your car with no way in, what matters most is a technician who shows up fast, checks your identification, and tries non-destructive entry before anything else. A mobile locksmith team can be sent directly to your location for exactly this situation.
Emergency car lockouts handled on-site, often without needing a tow vehicle.
Key fob programming and car key replacement services may be available if your original key is lost or locked away.
Mobile technicians bring their own tools and can cut keys on the spot when needed.
Visit the locksmith services page to see the full range of automotive help available and get a technician headed your way.
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FAQ
What can I do if I locked my keys in my trunk?
Check every door and window first, since one may still be open, letting you reach an interior trunk release or fold the rear seats. If the cabin is sealed too, call roadside assistance or a mobile locksmith rather than attempting forced entry.
How do I get into a locked trunk without a key?
Try the interior trunk release lever or button, usually near the driver’s seat or on the dashboard, or fold down the rear seats to reach through. If those aren’t available, AAA recommends verifying every access point before calling for professional help.
How do I unlock my car if the key is locked inside?
Check your key fob for a hidden mechanical key, since many fobs conceal one that fits the driver’s door keyhole. If that doesn’t work, a manufacturer app, roadside assistance, or a mobile locksmith are the safest next steps.
What should I do if I’m locked in a trunk?
Call 911 immediately if you or anyone else is trapped inside a trunk, since this is treated as an emergency requiring immediate response. Many newer vehicles include a glow-in-the-dark emergency release handle inside the trunk itself, so check for one while waiting for help to arrive.
Will a locksmith need proof I own the car?
Yes, a locksmith will typically ask for registration or an ID that matches the vehicle before opening it or cutting a new key. This step protects you and is standard practice across the industry.
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