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Can I order a replacement car key online with delivery?

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  • Can I order a replacement car key online with delivery?
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06.11.2025

Short answer:
Yes. You can order a replacement car key online in the UK and have it delivered in 3–4 days. Choose the right key type, provide a photo or key code for cutting, and have a local locksmith program it when it arrives.

Why trust this guide:
With over 25 years in the locksmith trade and more than 650,000 satisfied customers, Mr-Key explains exactly how online key replacement works — clearly, securely, and step by step.

When online replacement works (and when it doesn’t)

Ordering online is ideal if you need a spare, a like-for-like remote, or a replacement for a lost or damaged key. It’s the fastest and most convenient way to get OEM-grade parts delivered to your door.

You simply order the correct key, have it cut from a photo or key code, then let a local locksmith program it to your vehicle.

Online ordering doesn’t replace immobiliser pairing. Modern vehicles still require professional programming once the key arrives.

 

Key types explained

Transponder keys
These have a mechanical blade and an electronic chip that communicates with your car’s immobiliser.

Remote fobs
Include lock/unlock buttons plus a built-in transponder. We supply the pre-cut blade (if requested) and tested electronics.

Proximity or smart keys
Keyless entry and push-start units. Delivered ready for your locksmith to pair with the car.

Key shells & batteries
Replace worn housings or dead batteries without any programming.

Also available: caravan keys, ATV keys, roof-rack keys, mailbox keys, towbar keys, and more.

Browse our full range at mr-key.com.

How online ordering works

1. Identify your key
Use your vehicle make, model, and year. Match your key shape, button layout, and frequency markings.

2. Choose how to cut it

By photo: send a clear image of your existing key.

By key code: provide the manufacturer’s key code for factory-accurate cutting.

3. We cut and test
Keys are machine-cut and tested for precision. Electronics are checked before dispatch.

4. Delivery in 3–4 days
Typical UK delivery with tracking and updates.

5. Local programming
Arrange a nearby automotive locksmith to pair the key. Most jobs take 15–30 minutes.

What affects cost

Key type — proximity and smart keys cost more than basic transponders.

Electronics and frequency — differ by brand and year.

Cutting method — photo or code; standard or laser blade.

Programming complexity — varies by model.

Extras — spare shells, emergency blades, or upgraded housings.

Pro tip: Order two keys now — you’ll save money on future locksmith visits and prevent lockouts.

Programming: DIY vs local locksmith

Modern immobilisers are secure by design. Mr-Key does not supply pairing or programming kits.

A professional locksmith uses diagnostic tools to safely program your new key and verify vehicle ownership. It’s faster, safer, and ensures full functionality.

Shipping, warranty & returns

Delivery: 3–4 days across the UK.

Warranty: 12-month full coverage on keys and electronics.

Returns: Contact support before programming — unused items are easier to exchange.

Dealer vs local locksmith vs online

OptionSpeedConvenienceProgrammingBest for
Main dealerMedium–slowAppointment requiredDealer toolsBrand-new cars, under warranty
Local locksmithFastMobile visitDone on siteEmergencies, quick help
Online (Mr-Key)3–4 daysOrder from homeDone by locksmithPlanned replacements, spares

Most UK drivers choose online ordering + local locksmith pairing — the fastest, most cost-efficient combination.

Troubleshooting after delivery

Key turns but car won’t start
Blade fits, but immobiliser isn’t paired yet. Book a locksmith.

Remote buttons not working
Replace the battery and re-pair during programming.

Proximity key not detected
Use the emergency start position (usually near the steering column) and ask your locksmith to register it.

Blade feels rough
Use light graphite lubricant or send a photo for recheck.

 

How to avoid another lockout

Order a second key and keep it at home.

Replace weak remote batteries yearly.

Label your spare with the vehicle reg.

For keyless cars, store keys away from doors and use a signal-blocking pouch.

FAQ

Can I order a replacement car key online and get it delivered?
Yes. Send your key photo or code, receive delivery in 3–4 days, and have it programmed locally.

Do I need proof of ownership?
Your locksmith may ask for it. For UK vehicle documentation, see GOV.UK – V5C log book.

What’s the difference between key types?
Transponder keys start the car; remote fobs add buttons; proximity keys enable keyless entry/start.

Can you cut my key from a photo?
Yes. Clear, well-lit images allow accurate decoding and cutting.

Can I program the key myself?
No. Only an automotive locksmith can safely pair it.

How long does delivery take?
Usually 3–4 days within the UK.

Do you cover my vehicle?
Almost all brands plus caravans, ATVs, lockers, and more.

What warranty do I get?
12-month full warranty on all keys and electronics.

What if the battery is dead?
Replace it with the correct cell. If issues continue, have the locksmith check frequency and pairing.

What if I’ve lost all keys?
Order online and arrange programming. Mobile locksmiths can often attend on site.

Can I order two keys?
Yes — it’s the smartest option to prevent future emergencies.

Shop now: https://mr-key.com

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Only Use Correct, Undamaged Keys Bent, cracked, or worn keys can damage: the cylinder the switch the steering lock If your key is worn, replace it before it causes further problems. 4. Address Electrical Problems Early A failing alternator, weak battery, or short circuits can overload the ignition switch. If you notice dim headlights or battery warnings, fix those early. 5. Keep Dust and Moisture Out of the Cylinder Avoid spraying WD-40 or household lubricants into the ignition—it attracts dust. Use proper graphite lock lubricant if needed. Ignition Switch Replacement Guide You should only replace the ignition switch if diagnosis confirms it. Below is a clear replacement overview used by both DIYers and technicians. Note: Procedures vary by vehicle, but the overall steps are similar. 1. Disconnect the Battery Always disconnect the negative terminal. This prevents: accidental airbag deployment electrical shorts damage to modules 2. Remove Steering Column Covers Most cars use simple screws underneath. Once removed, the top and bottom covers split apart. 3. Locate the Ignition Switch Module It is usually mounted behind the ignition cylinder. Depending on the car: it may be held by two screws or secured with clips or integrated into a combined steering lock module 4. Remove the Electrical Connector Ignition switches usually have one large multi-pin connector. Release the locking tab and pull it gently. 5. Remove and Replace the Switch Install the new switch in the exact orientation as the old one. Common mistakes to avoid: misaligning the switch’s internal slot tightening screws unevenly damaging wiring during removal 6. Reassemble and Test Thoroughly After reassembly, test: ACC mode ON mode engine start headlights indicators wipers radio If everything works consistently, the replacement is successful. Is It Safe to Drive with a Bad Ignition Switch? Usually no . A failing ignition switch can: stall the engine suddenly disable power steering shutdown ABS cut power to headlights at night The RAC warns that electrical failures causing engine cut-outs are a serious safety risk. If your switch is failing, get it inspected immediately. FAQ: Car Ignition Switch Problems 1. How much does ignition switch replacement cost? Most replacements cost £80–£300 depending on the vehicle. Some modern cars require coding, making the cost higher. 2. Can a bad ignition switch cause the car to stall? Yes. Loss of electrical contact in the switch can cut power to the engine instantly. 3. Is a failing ignition switch the same as a bad starter? No. A bad starter prevents the engine from cranking. A bad ignition switch prevents power from reaching the starter or other systems. 4. Can a locksmith replace an ignition switch? In many cases, yes — especially for older vehicles. For modern immobilizer systems, a vehicle technician may be required. 5. Can I drive with ignition switch problems? It’s unsafe. The engine can cut out while driving, especially on bumps or turns. 6. Does a bad ignition switch affect accessories only? It can affect: accessories engine start fuel pump dashboard power ECU communication It depends on which internal circuit fails. 7. What’s the lifespan of an ignition switch? Most last between 10–15 years , depending on usage and electrical load. 8. Do push-button cars have ignition switches? Yes — they use an electronic ignition switch module instead of a mechanical one. Failure symptoms are similar. 9. What does a worn key have to do with ignition switch problems? A badly worn key can cause mechanical strain on the cylinder, which then stresses the electrical switch linked behind it. 10. Can I prevent ignition switch issues? Yes — keep your keychain light, avoid forcing the key, and keep electrical systems maintained. For high-quality replacement automotive parts and spare key, visit our shop at mr-key.com .

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