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uk Transport & mobility emergencies car key snapped • key broke in lock • key broke in ignition • bent car key • snapped key stuck • broken key in door • broken key in ignition barrel • key won't turn ignition • can't unlock car • can't start car key • stranded with broken key • key stuck in ignition • key snapped off in door • immobiliser key chip broken • spare car key missing • roadside assistance key problem • locksmith car key extraction • key fob works but blade broken • steering lock jammed key

What to do if…
your key snaps, bends, or breaks and you cannot unlock or start your vehicle

Short answer

Stop forcing the key. Make the scene safe, then use a spare key or contact breakdown cover/an auto locksmith to avoid damaging the lock or ignition.

Do not do these things

  • Don’t keep twisting, yanking, or “just trying a bit harder” with a bent/broken key.
  • Don’t push a broken fragment deeper into the door lock or ignition with tools or another key.
  • Don’t add household oil/grease or random sprays into the lock/ignition; don’t add anything unless your owner’s manual or a professional specifically advises it.
  • Don’t leave the vehicle in an unsafe place while you troubleshoot (hard shoulder, live lane, blind bend).
  • Don’t let anyone force the lock/ignition unless you fully trust them and it’s clearly safe.

What to do now

  1. Make the situation safe first.

    • If you’re in or near moving traffic, switch on hazard lights and get yourself (and passengers) to a safer place nearby before you focus on the key.
    • If you’re stopped somewhere dangerous (for example a motorway/live lane) or you feel at immediate risk, call 999 and ask for the police.

  2. Try to use the car without the damaged blade (if possible).

    • If your remote/fob still works, unlock with the fob and avoid using the damaged key blade.
    • If your car is keyless/push-to-start and won’t detect the fob, use the backup/emergency start method in your owner’s manual (many cars have a specific “reader” point where the fob must be held).

  3. If part of the key is visible, only try a gentle, low-risk removal.

    • If the broken piece is clearly sticking out and you can grip it without pushing it further in, try a careful straight pull with fine pliers.
    • Stop immediately if it doesn’t come out easily—forcing it can damage the lock/ignition and make the job harder.

  4. Use a spare key or arrange for it to be brought to you.

    • Call someone you trust who can bring the spare key.
    • If you’re away from home, check only the spare-key options you control (secure bag, wallet key, trusted person)—don’t waste time if you’re roadside.

  5. Get the right help for extraction/replacement.

    • If you have breakdown cover, contact them and say “key snapped/bent/broken — possible fragment in door lock/ignition” so they send suitable help.
    • If you don’t, contact a reputable auto locksmith for extraction and replacement.
    • If you cannot secure the vehicle (can’t lock it) and it’s unsafe to leave, ask about moving/towing it to a safer location.

  6. Prepare essentials for a replacement key (without delaying safety).

    • Keep both pieces of the key.
    • Have your vehicle make/model/year and your exact location ready.
    • Be ready to show ID and proof you own/use the vehicle (often required before cutting/programming).

What can wait

  • You don’t need to decide right now whether a dealership or locksmith is “best”—focus on safe access and avoiding damage.
  • You don’t need to diagnose the cause (wear in the key/lock/ignition) while you’re stranded.
  • You don’t need to attempt online “hacks” for extraction—those often make it worse.

Important reassurance

This is a common, fixable problem. Stopping early—before you force the key or the lock—often prevents a bigger repair and gets you moving sooner.

Scope note

These are first steps to stabilise the situation and avoid making it worse. Once you’re safe and have access to the vehicle, a locksmith/dealer can advise on replacement and any underlying wear.

Important note

This is general information, not mechanical or legal advice. Vehicle security systems vary. If anything feels unsafe (your location, traffic risk, personal safety), prioritise emergency help and getting to a safer place first.

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