Why is replacing a key fob more than cutting a key?
A fob is a small computer in a plastic shell. Pressing the lock button sends a coded signal, and on a push-button-start car the fob also has to be recognized inside the cabin before the engine will run. When you lose one, crack one, or wear out the buttons, you can't just copy it at a hardware counter the way you would a house key. The replacement has to be the right hardware for your vehicle, and in most cases it has to be introduced to the car before the car will accept it.
That's why many Claremont drivers call a dealer first and are surprised by the wait for parts, or by the tow to get the car there. A mobile locksmith who does this work regularly can often skip both. Not always, and we'll tell you when it isn't possible. Some makes and some situations are dealer-only, and it's better to hear that from us on the phone than after you've been waiting.
The reasons people call us are fairly consistent: the only fob is lost, the fob went through the wash, the buttons stopped responding, the case split and the board came loose, the dash says the key isn't detected, or you want a second fob before you lose the first. Each has a slightly different fix, and sometimes a weak battery is all it is. We'd rather find that out first than sell you a part you don't need.
Which kinds of key fobs and smart keys can we replace?
People use the words key fob for several different things, and the difference matters when we're sourcing hardware. This is how we sort what we see on remote car key replacement and smart car key replacement calls:
- Remote-head keys: a metal blade with lock, unlock, and trunk buttons built into the head.
- Separate remotes: a standard key plus a stand-alone fob that rides on the same ring.
- Flip keys: the blade folds into the fob body.
- Proximity keys, also called smart keys: the car senses the fob in your pocket or bag, and a start button replaces the ignition key. This is the push to start key replacement or push button start key replacement most people are calling about.
- Hidden emergency blades: many smart fobs carry a small mechanical key inside the case for opening the door when the fob battery is dead.
Can we confirm your exact car before anything is ordered?
Whether we can supply and program a fob for your car depends on the make, model, year, and how the factory built the system. We don't guess. Give us the VIN and we confirm by VIN before a part is ordered or a van leaves the shop. Where the information on a particular vehicle is unclear or conflicting, we say so plainly and verify in person at the car instead of promising something we can't back up.
If what you're holding is a plain chipped key with no buttons, that's a different job, covered under transponder key programming. If you need a key of any type and not just a remote, our car key replacement service is the broader starting point.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366How does key fob programming work, step by step?
Every vehicle is a little different, but a typical fob replacement call runs like this:
- You call (213) 577-1366 and tell us the make, model, year, and what happened: lost, broken, worn out, or you simply want a spare.
- We ask for the VIN and tell you honestly whether your vehicle is something we can handle at the curb or something that points to the dealer.
- We explain what drives the cost on your particular car before a van is sent, so you know what the number depends on.
- A van comes to the car. We verify ownership, so expect to show your ID along with registration or title.
- We look at the car and at the old fob if you still have it. A tired battery or a loose case is a lighter-cost fix than a new fob, and we'll say so before we sell you anything.
- We prepare the new fob, cut an emergency blade if the fob has one, and program it to the vehicle. Bring every fob you still own, and we'll tell you whether the car needs them present.
- We test every function: lock, unlock, trunk or hatch, panic, remote start if the car has it, and on a smart key, the push-button start with the fob inside the cabin. If a lost fob is still out there somewhere, we talk through what options your vehicle offers for dealing with it.
Can you program a fob at my car in Claremont, or do I need to come to you?
For most Claremont calls, we come to you. Our mobile locksmith vans carry the equipment, so mobile key fob programming happens in your driveway, a campus-area lot, or a parking space near the Village. You don't have to drive a car that may not start, and you don't have to arrange a tow.
There are limits, and we'd rather name them. Some makes, certain model years, and some all-keys-lost situations are dealer-only: the security system doesn't allow outside programming, or the part is only sold through the dealer. When that's your car, we say so on the phone so you can plan around the dealer instead of waiting on us.
A few neighboring situations belong to other services. If you've lost every key, the work moves into lost car key replacement, which has more steps than replacing one fob. If you're locked out with the fob inside the car, that's a car lockout first and fob work second. And if a new, correctly programmed fob still won't start the car, the trouble may be in the ignition or start system, which is ignition repair territory rather than a fob problem.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366What affects the cost of key fob replacement in Claremont?
We don't put numbers on a web page because the honest answer depends on your car. Here is what actually moves the cost of a fob job:
We tell you what drives the number before a van is sent. If the lighter-cost path is a new battery or re-pairing the fob you already own, we say that first.
- Make, model, and year. Hardware and programming complexity vary widely from one vehicle to the next.
- Type of fob. A basic remote is generally simpler to source than a proximity key for a push-button-start car.
- Whether you have a working fob. Adding a spare while one still works is usually the more economical route compared with starting from zero keys.
- Factory-branded versus quality aftermarket hardware. They differ in price and sometimes in features, and we explain the tradeoff for your car.
- Cutting. A remote-head key or an emergency blade needs a blade cut, which is an extra step.
- Features the fob has to carry, such as remote start or a power trunk.
- Where and when you need us. A van trip to your location and an after-hours call are part of the picture, and we'd rather explain that than hide it.
Should you add a spare key fob before you lose the only one?
If you only have one fob, yes. A spare made while the first still works is typically less involved than rebuilding your access after the last one is gone. A spare key fob also solves the quiet problem of a worn-out fob. If the rubber buttons have faded or you have to press hard to get a response, replace it before it quits somewhere inconvenient.
Keep the spare somewhere that isn't the car. A fob in the glovebox is no help when the doors are locked. And if you're not sure whether your vehicle even supports adding a second fob without dealer involvement, call and give us the VIN. We'll confirm and tell you plainly.
What does key fob service look like around Claremont?
Claremont is spread out, from the shops and restaurants of Claremont Village to the Claremont Colleges area, out toward Padua Hills, and up into the North Claremont foothills. Our storefront is at 10740 Wilshire Blvd in Westwood, about 44 miles away, so we come to you by van instead of asking you to drive across the county with a car that may not start. Calls from ZIP 91711 and the surrounding area go to the same phone line, answered around the clock.
Think about how fobs go missing in a place like this. Around the Claremont Colleges and the off-campus housing nearby, a fob can easily end up in a backpack, a borrowed jacket, or a laundry pile during a move. When one disappears, a replacement or spare programmed at the car, in a campus-area lot, saves you a tow and a trip to a dealer.
The Claremont Depot Metrolink park-and-ride is its own scenario. A commuter leaves the car for the day, and a fob with a dying battery, or one dropped somewhere between the platform and the lot, can turn the end of a long day into a problem. The first step is sorting out which it is: a battery, a missing fob, or a locked car. If the fob is locked inside, that's a lockout first and a fob job second. Visitors who park near the Village for dinner and come back to a fob that won't respond are in a similar spot.
In Claraboya and the North Claremont foothills, tell us when you call if the driveway is steep or the car is parked on a slope, so we can plan where to set up. Summers here are hot and dry, so if your car is sitting in the sun, tell us where it's parked and whether there's any shade nearby. It's easier on everyone to work the cabin out of direct sun.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366Why call Wilshire Lock & Key for a key fob?
Here is what we can honestly tell you about who shows up:
- We've been in business since 1987, and we serve 140 cities across Los Angeles and Ventura counties, Claremont among them.
- We run a real storefront in Westwood plus mobile vans. When you call, you reach us, not a national dispatch center reselling the job to a stranger.
- It's one company from phone call to finished job, with no middlemen adding a layer between you and the person at your car.
- David, the owner and lead technician, oversees the work.
- The phone is answered 24 hours a day, 7 days a week, all year, so a dead fob at an odd hour still gets a person. If you need help beyond fobs, our 24-hour locksmith page covers that, and our automotive locksmith page covers everything we do for vehicles.
- California requires locksmith companies to hold a BSIS LCO license. Ask any locksmith for their license details before they start work, us included.
What should you have ready when you call?
A few details make the first phone call faster and let us give you a more straight answer:
- The make, model, and year of the vehicle.
- The VIN, which is usually visible at the base of the windshield on the driver's side or on the sticker in the door jamb.
- What happened: lost, broken, worn out, or a spare you'd like to have.
- Every fob and key you still have, including the worn-out one. It may help us diagnose the problem.
- Your ID and the vehicle's registration or title, since we confirm ownership before we program anything.
- Where the car is parked, including any gate codes, hills, or tight spots.
Frequently asked questions
How much does key fob replacement cost in Claremont?
It depends on the vehicle, the type of fob, whether you still have a working one, whether we're using factory or aftermarket hardware, and where and when you need us. We explain what applies to your car before we send a van. Sometimes the lighter-cost fix is a battery or re-pairing the fob you already own.
Can you program a key fob if I've lost all my keys?
Sometimes, depending on the vehicle. All-keys-lost jobs have more steps than adding a spare, and some makes and years are dealer-only in that situation. Give us the VIN and we'll confirm what's possible before you commit to anything.
Do I have to go to the dealer for a push-button start key?
Not always. Many smart keys can be replaced and programmed by a mobile locksmith, but some vehicles are dealer-only, and we tell you honestly when yours is one of them. We confirm by VIN rather than guessing.
Do you come to me in Claremont?
Yes. Our mobile vans come to your location, whether that's a driveway in the foothills, a lot near the Colleges, or a space at the Depot park-and-ride. Our storefront is in Westwood, so you don't need to bring the car to us.
My fob works, but the car says the key isn't detected. Is it the fob?
It can be a weak fob battery, a damaged fob, or sometimes a problem on the car's side. We'd start with the simple checks. If the fob and battery are fine and the car still won't recognize it, the problem may be in the vehicle's start system, which is a different repair.
Will my old fob still work after you program a new one?
That depends on the vehicle, and we won't guess. On the call, we tell you what's known for your car, and we confirm in person at the vehicle. If a lost fob is still out there, we talk through the options your car offers.
Can I buy a fob online and have you program it?
Sometimes, but quality and compatibility vary a lot, and a fob that looks right can still be wrong for your car. Call us with the VIN before you order so we can tell you whether it's likely to work, rather than finding out afterward.
Do you need proof that the car is mine?
Yes. We ask to see your ID along with the registration or title before programming a fob. It protects you as the owner, and any reputable automotive locksmith should do the same.
Can you make a spare fob if I still have one that works?
In most cases, yes, subject to the make and model, and it's usually the more economical route compared with waiting until the last fob is gone. Call with the VIN and we'll confirm.
More locksmith help in Claremont
Key Fob Replacement near Claremont
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.
