4Keys Locksmith
NASTF VSP · ALOA · 24/7 Dispatch

Lost Car Key Replacement Mobile, On-Site, OEM-Grade

No spare key anywhere? We cut and program a new OEM-grade key on-site in 30 to 60 minutes. Toyota, Honda, Ford, Mercedes, BMW, Range Rover, and most domestic, Asian, and European brands. NASTF VSP authorized for legal OEM data access. 40 to 60% less than the dealer.

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4Keys mobile auto locksmith cutting and programming a new car key on-site after all keys lost

Miami-Dade License · GA Registered

Two registered entities

15,000+ jobs completed

Same Day Solutions

Rapid Mobile Dispatch

Arrival in 30 min

NASTF VSP

Vehicle Security Professional

9-sec avg phone answer

ALOA Certified

Pro Certified Technicians

25 technicians on rotation

All keys lost? We open AND make the new one.

We cover the entire job in one visit. Door opened by non-destructive entry, OEM blank cut by VIN, immobilizer paired through NASTF VSP. No tow truck, no dealer wait.

See full pricingHow NASTF VSP works
Lost Car Key Replacement

Why the dealer is the slow, expensive route

Losing the only key to your car is a worst-case scenario the dealer turns into a week-long ordeal. A typical dealer flow: tow your vehicle in ($75 to $150), wait 3 to 7 days for the OEM key to arrive, pay $400 to $1,500 for the key plus programming, then pay another tow back if the vehicle does not start. Total: $500 to $2,000 and a week without your car.

Our mobile route: a NASTF VSP authorized technician comes to your vehicle, opens the door if needed, cuts the blade by VIN on-site, fetches the OEM security code directly from the manufacturer through the NASTF Vehicle Security Professional network, programs the immobilizer, and verifies start. All-keys-lost programming takes 30 to 90 minutes on-site, with no tow. The dispatcher gives you the exact total on the call, before the van leaves, because a key for a Toyota and a key for a Ferrari are not the same job: the make, the model and the year decide it. Reference rates are published on our pricing page.

If you still have one working key, the spare key route is significantly cheaper. See Car Key Duplication.

Common Scenarios

When you need a new key, not a copy

Lost the only key

No spare key anywhere. We open the door, cut a new blade by VIN, and program the immobilizer on-site.

Key destroyed or stolen

Burglary, theft, water damage, or a key fell into a storm drain. New key cut from VIN, no original needed.

Bought a used car without keys

Vehicle auctions, estate sales, or repossessions often arrive keyless. We supply OEM-grade keys with proof of ownership.

Old key worn beyond recognition

Decades of wear can cause turning failures. Replacement plus new immobilizer pairing.
How It Works

Six steps from no key to starting the car

Mobile process. No towing. No dealer trip.

  1. 1

    Confirm vehicle and ownership

    Call dispatch with VIN, year, make, model. We verify ownership and quote the full price upfront, no surprises on-site.

  2. 2

    Tech dispatched with OEM blanks

    An ALOA-certified, NASTF VSP authorized technician arrives in 15 to 30 minutes with OEM-grade blanks for your make and model.

  3. 3

    Door opened if all keys lost

    We open the door by non-destructive entry so we can access the OBD-II port and immobilizer module.

  4. 4

    Key cut by VIN

    Laser or sidewinder cutting to factory specification, on-site in the mobile lab. No dealer key ordering wait.

  5. 5

    OEM programming via NASTF VSP

    Immobilizer paired through authorized OEM security data. Vehicle recognizes the new key and starts.

  6. 6

    Verification and handoff

    We test start, lock, unlock, and remote functions. Receipt and warranty information emailed on the spot.

Why 4Keys

What separates us from cheap-key shops

NASTF VSP authorized

Required for legal OEM key programming on European luxury brands.

ALOA-certified techs

EEPROM Essentials, Automotive ECU, and Access Control certifications. Background-checked, photo-ID.

Fixed phone quote

You hear the full price before our van leaves. No on-site upcharges, no surprise diagnostics.

Marked vehicles

Real branded vans. No unmarked sedans. Easy to verify on arrival.

FAQ - Lost Car Key FAQ

Got questions? We have answers. If you don't see your question below, call us anytime - we're available 24/7.

Typical on-site time is 30 to 60 minutes from arrival. We cut the blade, pair the transponder or smart key to your immobilizer, and verify start. European brands (Mercedes, BMW, Range Rover, Audi, Porsche) can run 60 to 90 minutes because of OEM data fetch through NASTF VSP.
Nothing is quoted on arrival. You hear the full figure on the phone and that is what you pay. What sets it is the service, the hardware it needs, and for car keys the make, model and year of the vehicle. Work after hours, on weekends or on federal holidays carries a surcharge we state up front. See 4keyslocksmith.com/pricing/ for every published rate.
No. We handle all-keys-lost scenarios routinely. We cut the new key by VIN, generate the immobilizer code through NASTF VSP, and pair it to your vehicle so it starts. The dealer can take 3 to 7 days for the same job; we do it on-site in under 90 minutes.
Yes. We are NASTF VSP authorized, the authorization required to legally program OEM keys for European brands. We cover Mercedes W205, W206, GLC, GLE, S-Class; BMW F and G chassis (FEM and BDC); Audi, Porsche, Range Rover, Bentley, and Rolls-Royce.
No. NASTF VSP uses authorized factory methods through the manufacturer security data network. Your manufacturer warranty stays intact. That is not the case with unauthorized 'cloning' shops that bypass immobilizer protocols.
Same trip. We supply and program OEM-equivalent smart fobs and proximity keys. Common on Camry, Accord, F-150 PEPS, Silverado, Altima, Sonata, and most 2014 and newer vehicles.
If you have proof of ownership and the VIN, yes. Most cases we come to the vehicle so we can verify ownership and pair the key in person. For warehouse or storage situations, we coordinate with you on documentation.
All of the above. Visa, Mastercard, Amex, Discover, contactless (Apple Pay, Google Pay), and cash. Receipt emailed on the spot.
Licensed in Miami-Dade County: Florida operations run as Qorinca LLC, holder of Miami-Dade County locksmith license LK-094576 (Florida has no state locksmith license). Georgia issues no state locksmith license, so Georgia operations run as 4Keys Locksmith LLC, registered with the Georgia Secretary of State. ALOA-certified technicians in both states.
Yes, and it is much cheaper than waiting until every key is gone. See our Car Key Duplication page for the spare-key process. A plain metal blade with no chip and a transponder or fob copy are separate published lines.

What is your car actually doing?

Losing every key is one of these. Each of the others is a different fault with a different fix, so pick the one that matches what your key and your car are actually doing.

Key Spins in the Ignition

The key turns with no resistance and the engine does nothing

Read this one

Key Will Not Turn in the Ignition

The key goes in but will not rotate, and two of the causes are free to fix

Read this one

Broken Key in the Ignition or Lock

The blade snapped and part of it is stuck in the cylinder

Read this one

Key Fob Stopped Working

The remote stopped responding, and three different repairs get called the same thing

Read this one

All Keys Lost

No key exists to copy, so the immobilizer must accept one it has never seen

Read this one

Keys Locked Inside the Car

Keys visible inside a locked car, and when it is a 911 call instead

Read this one

Related Reading

Car Key Duplication

Still have one working key? Spare cuts are much cheaper than new keys.

Read guide

Car Key Programming

Just need a transponder paired? Programming-only service for existing keys.

Read guide

What Is NASTF VSP?

The industry credential that opens manufacturer data for European brand keys.

Read guide
Need a different service? Browse the Auto Locksmith hub.
24/7 Live Dispatch

Need a new key? Find your location.

Pick FL or GA and we quote the exact price by phone before the van leaves.

See full pricingNASTF VSP explainedAbout 4Keys