Car Key Replacement in Los Angeles: Spares, Duplicates and Lost Keys

Why people call for a replacement car key

Almost nobody plans a car key replacement. The call usually comes after something has already gone wrong: a key that went missing from a bag, a fob that finally quit, a key that snapped off in the ignition, or a car that suddenly will not recognize the key it has recognized for years. A smaller group calls early, because they hold one key and want a second before the first one disappears.

The situations tend to fall into a few patterns, and each one changes the job a little:

• You have no key at all, and the car is parked somewhere inconvenient. This is the all-keys-lost case and it is the most involved version of the work.
• You have one working key and want a spare. This is the easiest, most economical situation, and the one people most often wait too long to deal with.
• The key turns but the car will not start, or the dashboard shows a key or security warning. The cause may be the chip in the key, the key's battery, or something in the car itself. It needs to be diagnosed before anything is replaced.
• The key is worn, bent, cracked or chewed up. A worn key can still work for a while, but it also wears the ignition cylinder, so replacing it sooner is usually the better call.
• The fob buttons have stopped responding, though the key still starts the car. That is a different repair from a full key replacement, and we will say so when that is the case.
• You bought a used vehicle and received one key, or a key of unknown history, and you want a known set that you control.

Replacement, spare and duplicate: what the words actually mean

These terms get used loosely, but they describe different jobs, so it helps to know which one you need when you call.

A duplicate is a copy made from a key you already have. On an older vehicle with a plain metal key and no chip, that can be nothing more than cutting a matching blade. On most newer vehicles, a duplicate also needs a chip or electronics that the car has to accept, so the copy is cut and then programmed.

A spare is simply the extra key you keep somewhere safe. It is usually made by duplicating, but it can also be made from vehicle data when you only have one key and want a second one without risk to the first.

A replacement is what you need when the original key or keys are gone, broken or no longer working. Depending on how many keys are left, this can mean anything from a straightforward copy to creating a key from scratch using the vehicle's identification and security data. The distinction matters because the more keys you have in hand, the simpler and usually the more economical the work is.

How a replacement car key is made, step by step

The process is not mysterious, but there are real checks along the way that separate careful work from guesswork. This is how we approach it on a typical visit, in our van or at the storefront.

1. Confirm the vehicle and the situation. We start with the year, make, model and the VIN, and ask how many keys you have, if any. The VIN tells us a great deal about the key type, the immobilizer system and the cutting data we will need.
2. Verify ownership. We ask for identification and something that ties you to the vehicle, such as registration or title. This protects you as the owner, and any responsible locksmith should ask the same.
3. Identify the exact key. Key blades come in several profiles, and a fob that looks right can still be wrong on the inside. We confirm the correct blank and the correct electronics for your vehicle before cutting anything.
4. Cut the key. Depending on the key, that means cutting a traditional edge-cut blade or a high-security internal-cut blade on the right machine. If no key exists, the cut is generated from vehicle code data or by reading the lock itself. Either way, we test the blade in the door and the ignition before moving on, because a key that cuts correctly but turns roughly is a problem to catch now, not later.
5. Program the key to the vehicle. Using diagnostic equipment connected to the car's diagnostic port, we register the new key with the immobilizer so the car accepts it. If you want more detail on the programming side, see our page on transponder key programming.
6. Test everything. We check that the key starts the car repeatedly, that the remote functions work where the key has them, that the original key still works if you have one, and that the key turns smoothly in the ignition and the door locks.
7. Hand over and advise. We give you the finished keys, explain what was done, and suggest where to keep the spare. If we noticed worn ignition or door cylinders along the way, we tell you plainly rather than leaving you to find out later.

How the key and the vehicle change the job

Two cars can both need a replacement key and have almost nothing in common as far as the work goes. Here are the main variations and what each one means in practice.

• Basic metal keys with no chip. Found on older vehicles, these are the simplest to cut and need no programming. They are also the easiest for anyone to copy, which is worth remembering when you think about security.
• Transponder keys. These have a small chip in the head that the car reads. Cutting the blade alone will not start the car, because the chip has to be registered to the vehicle.
• High-security or laser-cut keys. These have a milled channel in the blade rather than cuts along the edge. They take different cutting equipment and more careful handling, and they are harder to copy casually.
• Remote head keys and flip keys. The remote buttons and the key share one housing. Replacing one means handling the blade, the chip and the remote functions together. Our key fob replacement page covers the remote side in more detail.
• Smart keys and push-button start. These communicate wirelessly with the car and often have an emergency blade hidden inside. Replacing one is usually a programming job more than a cutting job, and the equipment and security requirements vary a good deal by vehicle.
• Vehicles with extra security layers. Some makes and model years add security steps to key programming, such as a waiting period, a security code, or requirements that only certain tools can meet.

Dealer-only cases and what we say about them

Honest answer: not every vehicle can be handled by an independent locksmith in every situation. Some makes, model years and key types have restrictions that limit programming to the dealer, or require parts such as a control module to be replaced before a key can be made.

We do not carry a blanket list in our heads and we will not pretend to. Chip types, programming methods and restrictions differ by vehicle and change by model year, and published information is not always consistent. So we confirm by VIN and, where needed, in person before we promise anything. If your vehicle turns out to be a dealer-only case, we will tell you that straight, instead of taking a deposit and discovering it halfway through the job.

Working key in hand, or all keys lost?

The single biggest factor in how involved the job gets is whether you still have a working key.

If you have one, the vehicle can usually be told to accept a new key with the existing one present, and the cutting data can be taken from the key you are holding. That is the quick, low-stress version of the work. It is also why we encourage people to get a spare while the first key is still working.

If you have none, we need to generate a key from the vehicle's data and programming, and that generally takes more equipment and more steps. It can also mean clearing old keys from the car's memory so a key you have lost can no longer start it. That is a security benefit, and we will explain it when it applies. Our page on lost car key replacement goes through that process in full.

One practical note: if you have lost a key but still have a spare, stop using the situation as an emergency and call us before the second key is lost too. The gap between two keys and zero keys is larger than most people expect.

What this service cannot fix

A good tradesperson tells you what a job will not solve. Car key replacement is not the right answer in every no-start or key-trouble situation.

• A key that will not turn or goes in roughly may be a worn or damaged ignition cylinder rather than a key problem. A new key will not cure a damaged cylinder. That is ignition repair work, and we will tell you if that is what we find.
• A car that will not start with a perfectly good, programmed key may have a dead battery, a starter fault or another mechanical or electrical problem. We can rule out the key side, but we are not a mechanic, and we will not sell you a key to fix an engine fault.
• A fob with failed buttons but a working start function may only need a battery or a shell replaced, not a full new key.
• Vehicles with dealer-only security restrictions, as noted above, may need the dealer regardless of who you call first.
• If the vehicle is not yours, or we cannot reasonably confirm that it is, we will not make a key for it.

What affects the price of a replacement car key?

We do not quote numbers on a web page, because honest pricing depends on facts we do not have until we know your vehicle. What we can do is tell you exactly what moves the cost up or down, so that a quote over the phone makes sense to you.

The main factors:

• The type of key. A plain metal key, a transponder key, a laser-cut key, a remote head key and a smart key are very different items with very different parts and labor behind them.
• The vehicle itself. Make, model and year determine the key hardware, the programming method and any security hurdles.
• Whether you have a working key. A copy from an existing key is usually the more economical route. Creating a key from nothing involves more steps.
• How many keys you need. Making two at once is often more efficient than coming back for a second.
• Whether the ignition or locks need work. If the cylinder is damaged, that is a separate repair on top of the key.
• Where and when. A van traveling to you at a distant location or in the middle of the night is a different logistics job from a scheduled visit to our storefront.
• Dealer involvement, if any, in your particular vehicle.

The lighter-cost way to approach all of this

The usually more economical route is also the calmer one: get a spare cut and programmed while you still have a working key. If you want to understand our approach to estimates in general, our pricing page explains how we quote and what we need from you to do it accurately. When you call, have the vehicle details and VIN ready and we can talk through the likely scope before anyone drives out.

Why call Wilshire Lock & Key

We have been in business since 1987. That is a long time to be cutting and fitting keys in the same city, and it means the work is not a side line we picked up recently.

We run a storefront at 10740 Wilshire Blvd in Westwood and mobile service vans, so you can come to us or have us come to you. When you call (213) 577-1366, you reach us, and you are not passed to a call center that sells your job to whichever contractor answers. There are no dispatch middlemen between you and the person doing the work.

David is the owner and lead technician and oversees the work we do. That matters on the jobs that are not routine, where someone has to decide whether a vehicle is a candidate for on-site programming or something else.

One more thing worth knowing. California requires locksmith companies to hold a license from the Bureau of Security and Investigative Services, known as a BSIS LCO license. You should ask any locksmith you call for it, including us. Asking is normal, and anyone who dodges the question is telling you something.

Mobile visit or the Westwood storefront?

Most replacement work can be done wherever the car is, because the key cutting and programming equipment travels in the vans. For an all-keys-lost situation, a mobile visit often makes the most sense, since the car does not need to move and you do not have to arrange a tow just to reach a locksmith.

The storefront is useful when you have time and a working key, such as when you want a spare or a duplicate and would rather do it in person. It can also help if you want to talk through the options with us face to face before deciding. Either way, call first so we can confirm what we need and whether your vehicle fits the on-site route.

Where we work: two counties, 140 cities

We serve 140 cities across Los Angeles and Ventura counties. The full list lives on our locations page, and each city has its own page with local detail.

If you are in the city itself, see our Los Angeles car key replacement page. On the Westside, our Santa Monica car key replacement page covers that area. If you are not sure whether we cover your location, call (213) 577-1366 and we will tell you. The phone is answered 24 hours a day, 7 days a week, all year.

Car Key Replacement near you

• Los Angeles
• Beverly Hills
• Santa Monica
• Culver City
• West Hollywood
• Sherman Oaks
• Marina del Rey
• Ladera Heights
• Encino
• Inglewood
• Studio City
• View Park–Windsor Hills
• Van Nuys
• Lake Balboa
• All service areas

Related services

• Automotive Locksmith
• Lost Car Key Replacement
• Key Fob Replacement
• Transponder Key Programming
• Ignition Repair