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Wilshire Lock & Key

24/7 locksmith · Alhambra, CA

Key Fob Replacement in Alhambra, CA

Wilshire Lock & Key provides key fob replacement and programming in Alhambra, CA, 24/7. If you've lost a remote, cracked a smart fob, or need a spare for a push-button-start car, call (213) 577-1366 any hour. Our mobile vans come to you, and our Westwood storefront backs them up.

  • Since 1987
  • Westwood storefront + mobile vans
  • A person answers, day or night
Car key fob opened for battery and shell replacement

What does key fob replacement involve?

A key fob is a small computer that happens to open your car. Inside is a radio transmitter, a battery, and often a transponder chip or a smart-entry circuit that talks to the vehicle. When one is lost, cracked, soaked, or just stops responding, replacing it is more than cutting a piece of metal. The new fob has to be the right hardware for your car, and then it has to be introduced to the car's computer so the car will accept it.

That second step is programming, and it is why a lookalike fob from an online listing so often disappoints. A fob can look identical and still be on the wrong frequency, built around the wrong chip family, or already locked to another vehicle. Our job is to match the fob to your car by VIN, year and trim, program it, and test every button before we pack up.

People in Alhambra usually call us in one of a few situations: the only fob is gone, the spare is gone too, the fob took a trip through the wash, a push-to-start car keeps saying the key isn't detected, or the rubber buttons have simply worn through. Each is a slightly different job, but they all begin the same way, with a call to (213) 577-1366 and a plain description of what happened.

Remote fobs, smart keys and proximity keys: what is the difference?

Not every fob is the same device, and the right replacement starts with knowing which one you have. These are the types we see most often:

Some of these overlap, and manufacturers change designs between model years, so we never promise a part until we have checked your VIN. If you aren't sure what you're holding, a photo of the fob and your registration is plenty to start with. Older blade-style keys with a chip inside are a related job, and our transponder key programming page covers them in more detail.

  • Remote head key: a metal blade with the lock, unlock and trunk buttons built into the same piece. You still turn it in the ignition.
  • Separate remote plus a chip key: two pieces, one for the buttons and one for the ignition. Replacing the remote alone is often a different job than replacing the key.
  • Flip key: the blade folds into the fob body. It is a common design, and the folding mechanism is also a common point of failure.
  • Smart key or proximity key: it stays in your pocket or bag, and the car senses it nearby. Doors unlock by touch and the engine starts with a button.
  • Push button start key: the fob that works with a start button instead of an ignition slot. It is the same family as proximity keys, and many of them hide a small emergency blade inside.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

How we replace and program a key fob, step by step

Here is how a typical job runs when you call us. The details shift by vehicle, but the order stays the same.

  1. You call (213) 577-1366 and tell us the make, model, year, and what happened to the fob. Nobody on the phone is guessing; we ask for what we need to identify the right part.
  2. We confirm that you are the owner or authorized driver. Expect to show photo ID and proof the car is yours, such as registration or title. This protects you as much as it protects us.
  3. We identify the exact fob by VIN, not just by what the car looks like. If anything about the vehicle is unclear, we say so and confirm in person instead of assuming.
  4. A technician drives a mobile van to your car in Alhambra. Because the work is done where the vehicle sits, you don't need to tow it or find a ride.
  5. If the fob has an emergency blade, or the car needs a cut key, we cut it on the van.
  6. We program the new fob to the vehicle's computer with diagnostic equipment. Where the car allows it, we also clear the lost fob from memory so that it can no longer start or open your car.
  7. We test every function: lock, unlock, trunk, panic, and starting the engine. If you want a spare, this is the easiest moment to add it, because the equipment is already connected.

What if I've lost every key to my car?

Losing the only fob is more stressful than losing one of two, but it is usually still solvable at the curb. With no working key, the car has to be told to accept a brand-new one from scratch, and the work is more involved than adding a second fob to a car that already has one. Some vehicles allow this through the diagnostic port. Others need extra steps or, occasionally, a dealer, which we cover below.

If that is your situation, our lost car key replacement page walks through the all-keys-lost process in more depth. If the key you need is a full key rather than a remote, car key replacement covers that side of things.

One more thing worth saying: sometimes the fob isn't the problem. If a perfectly good key is hard to turn or won't start the car, the ignition may be worn, and a new fob won't fix it. We will tell you that honestly, and if it is the ignition, ignition repair is the right service, not a new fob.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

What affects the cost of key fob replacement?

We won't quote a number on a web page, because the honest answer depends on your car. These are the factors that move the cost up or down:

  • The type of fob. A basic remote and a proximity smart key are very different parts with very different costs.
  • Make, model and year. Some vehicles use fobs that are widely available and straightforward to program. Others use parts that are harder to source or tightly controlled.
  • How many working keys remain. Adding a fob when you still have one working key is usually simpler than starting from zero.
  • Whether a blade needs to be cut. A fob with an emergency key adds a cutting step.
  • Where and when you need us. A mobile visit at night or on a holiday is a different job than a planned daytime appointment.
  • Whether you want a spare while we are there. Programming two fobs in one visit is typically the more economical route than calling us back later for a second one.
  • Whether the car is a dealer-only case. If it is, we say so before you spend anything.

When is a dealer the only option?

Most vehicles can be handled by a mobile locksmith, but not all. Some makes, models and model years lock fob programming behind manufacturer-only tools or codes, and for those, the dealer may be the only place that can finish the job. Other cars can be programmed by us, but only after we have confirmed details by VIN or in person, because published information on certain models is incomplete or contradicts itself.

So here is how we handle it. We don't guess from the phone, and we don't start a job we can't finish. If your car turns out to be a dealer-only case, we tell you plainly, before any work is done, so you don't pay for a visit that goes nowhere. If we can do it, we do it at your car, and you don't have to arrange a tow.

For a broader look at what our vehicle work covers, see our automotive locksmith service page.

Why call Wilshire Lock & Key for a key fob?

We have been in business since 1987, and that has taught us what works on real cars in real parking spaces. Here is what you get when you call:

  • One company, start to finish. The person who answers the phone works for us, and the technician who arrives works for us. There is no dispatch middleman reassigning your call to whoever is closest.
  • A storefront and mobile vans. Our shop at 10740 Wilshire Blvd in Westwood holds our equipment and parts knowledge, and the vans bring the work to you. Alhambra is about 20 miles from our base, and we serve it as part of our coverage across 140 cities in Los Angeles and Ventura counties.
  • David's oversight. David, the owner and lead technician, is the one setting how we handle vehicle work, so you get the same standards no matter who arrives.
  • Always answered. Our line is staffed 24 hours a day, 7 days a week, year-round, which matters when a fob dies at 11 at night. See our 24-hour locksmith page for how after-hours calls work, and our mobile locksmith page for what comes with the van.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

How do I check a locksmith before they program my fob?

California requires locksmith companies to hold a license from the Bureau of Security and Investigative Services (BSIS), called a Locksmith Company, or LCO, license. Any locksmith you are thinking of hiring should be willing to give you that license number, and you can look it up with BSIS yourself.

Beyond the license, watch for a few other things. A vague company name that doesn't match the van is a bad sign, and so is a quote that only appears after the work has started. A trustworthy locksmith will also ask for proof of ownership before programming a key to a car. If someone doesn't ask, that is a warning, not a convenience.

Key fob help around Alhambra: neighborhoods, ZIP codes and real situations

Alhambra covers ZIP codes 91801 and 91803, and our fob calls here come from very different parts of town. Around Downtown Alhambra and the Main Street district, where newer mixed-use buildings and condos sit close together, people tend to call when a smart key is lost or stops working while the car is parked nearby. If you're locked out with the fob inside, that is a different job, and our car lockout page covers it.

In the historic residential streets of the Midwick Tract and Emery Park, where 1920s to 1940s homes line the blocks, cars usually park in driveways or on the street, and our van can set up right at the curb. Along the Valley Boulevard corridor, where commercial traffic is steady, fob problems often turn up during a workday, and we aim to get you working again without a trip across the valley to a dealer.

Another local pattern is visitors. Almansor Park hosts events, and when someone's fob goes missing in a crowd or a smart key stops responding after a long day, a mobile technician can reach the car where it stands instead of the owner finding a way home first. The Western San Gabriel Valley also runs hot in summer, several degrees above coastal LA, and a car parked in the sun is hard on small electronics and fob cases, so a worn shell or an unreliable button is worth fixing before it fails for good.

Whether you're near Fremont Avenue, the Granada Park area, or anywhere else in 91801 or 91803, call (213) 577-1366 and tell us where the car is. If a ride or a tow looks like the only answer, ask us first; it often isn't.

Frequently asked questions

Can you replace a key fob at my car in Alhambra?

Yes. Our mobile vans come to your vehicle anywhere in Alhambra, including ZIP codes 91801 and 91803. We identify the fob by VIN, program it at the car, and test every function. Call (213) 577-1366 any hour to start.

Can you program a fob I bought online?

Sometimes, but not always. Online fobs can be the wrong type, locked to a different vehicle, or built around the wrong chip family. If you already have one, tell us the make, model and year when you call, and we will say honestly whether it is likely to work. Many customers find it simpler to let us supply a matched fob.

What do I need to show before you program a key fob?

Photo ID and proof the vehicle is yours, such as registration or title. We ask for this every time. It protects you from someone else getting a working key to your car.

My push-to-start car says key not detected. Do I need a new fob?

Not necessarily. The fob battery may simply be weak, and many vehicles have a backup way to start the car with a dead fob, which your owner's manual will describe. If a fresh battery doesn't help, the fob itself may have failed or lost its connection to the car, and that is when we come out to test and, if needed, replace it.

I lost my only fob. Can you still make a new one?

In many cases, yes, though an all-keys-lost job takes more work than adding a spare. Some vehicles can't be finished by a locksmith and need a dealer, and we tell you that up front once we have checked your VIN.

Will my lost fob still work after you program a new one?

Where the vehicle allows it, we erase the lost fob from the car's memory during programming so it can no longer open or start the car. Not every vehicle supports this, and we will tell you what applies to yours.

Is a locksmith usually cheaper than the dealer for a key fob?

Often it is the more economical route, since we come to you and you skip the tow, but it depends on the vehicle. For some cars the dealer is the only option, and we say so honestly. We explain the cost on the phone and again on site before work begins.

Should I get a spare key fob while you're there?

Yes, if you can. Once the equipment is connected to your car, adding a second fob is usually the more economical route compared with calling us back later, and it saves you from facing an all-keys-lost situation down the line.

How long does key fob programming take?

It depends on the vehicle and on whether we are adding a fob or starting from no keys. Once we have the right fob in hand, programming is usually a short visit, and we will give you a realistic idea when we confirm your VIN.

More locksmith help in Alhambra

Key Fob Replacement near Alhambra

Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.

Last updated 2026-10-11.

Ready for key fob replacement in Alhambra?

We answer around the clock, every day of the year.

Call (213) 577-1366
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