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Wilshire Lock & Key

24/7 locksmith · Sylmar, CA

Key Fob Replacement in Sylmar, CA

Wilshire Lock & Key replaces and programs key fobs in Sylmar, CA, including basic remotes, flip-key remotes, and push-button-start smart fobs. Our phone, (213) 577-1366, is answered 24 hours a day, seven days a week. We come to your car, confirm your exact fob by VIN, and program it on site where the vehicle allows.

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

What counts as a key fob replacement?

People use the words key fob for several different things, and the type you have decides how the job goes. A basic remote is a small plastic piece with lock, unlock, trunk and panic buttons, usually carried next to a separate metal key. A flip key folds the blade into the remote. A proximity key, often called a smart key, lets you unlock by touching the door handle and start the engine with a button. When someone searches for push to start key replacement or push button start key replacement, this last type is almost always what they mean.

Every one of these has two jobs inside it. One side talks to the door locks and trunk. The other side identifies itself to the car so the engine is allowed to run. Replacing a fob means getting the right new unit, cutting the emergency blade if your fob has one, and programming it to your specific vehicle. Programming is the step that trips people up. A fob bought online and dropped in a drawer does not work until something introduces it to the car, and sometimes the car has to be told to forget the old one.

Here are the fob types we replace and program:

  • Basic remotes with separate buttons for lock, unlock and trunk
  • Remote-head or flip keys, where the metal blade and the remote are one piece
  • Proximity or smart fobs for push-button-start vehicles
  • Spare fobs added to a car that still has a working one
  • Replacement fobs after a lost, stolen, cracked or water-damaged original

Why do key fobs fail or go missing?

Most of the fob calls we get fall into a handful of situations. The fob is lost or stolen. The case has cracked and the circuit board inside has been exposed to moisture. The buttons have worn through from years in a pocket. Or the fob simply stopped working and the owner is not sure whether it is the battery, the fob itself, or the car.

That last one is worth a moment, because a dead battery is the lighter-cost fix and plenty of people replace a whole fob when they did not need to. A fob that works at very close range but not from across a parking lot, or that needs several presses, is often a weak battery. A smart fob with a low battery may also still start the car if you hold it against the start button or a marked spot in the cabin. If a fresh battery does not bring it back, then the fob or its programming is the problem and replacement makes sense.

If you still have one working fob, that is the best moment to order a spare key fob. Copying from a working key is simpler than starting from nothing. If every fob is gone, the job is closer to a lost car key replacement, which takes more steps because the car has to be set up to accept a new key with no existing one to work from.

Locked out or need a locksmith now?

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

Call (213) 577-1366

How does mobile key fob programming work?

Most of our fob work happens where your car is parked. Our vans carry the programming equipment, so a stranded driver does not have to arrange a tow just to get a key made. If you prefer, you can also bring the vehicle to our storefront at 10740 Wilshire Blvd in Westwood. Here is how a typical visit goes.

  1. You call (213) 577-1366 and tell us the year, make and model, what type of fob you have, and whether you still have any working key.
  2. We confirm the exact fob your vehicle uses by VIN. We do not guess from the model name alone, because fobs can differ within the same model and year.
  3. We tell you honestly whether your car can be handled by us, or whether it is one of the cases where only the dealer can supply or authorize the key.
  4. We arrive at your car and check your ownership paperwork and ID before making any key for it.
  5. We cut the emergency blade if your fob has one, then program the new fob to the vehicle and remove any lost fob from the car's memory where the system allows it.
  6. We test every button and test starting the engine, not just unlocking the doors, before we call the job done.
  7. We go over the final cost with you before the work is considered complete, and we tell you how to look after the new fob.

What affects the cost of a key fob replacement in Sylmar?

Fob jobs vary more than most locksmith work, and anyone quoting a flat figure before knowing your vehicle is guessing. We would rather explain what moves the cost so you can compare fairly. Here is what matters:

  • The type of fob. A basic remote is a simpler and usually more economical route than a proximity smart key.
  • The vehicle. Year, make, model and trim decide which fob fits and how complex the programming is.
  • Whether you have a working key. Adding a spare is usually less involved than starting from zero with all keys lost.
  • The fob itself. A genuine factory part, a quality aftermarket fob and a used unit are different products, and we will explain the trade-offs.
  • Emergency blade cutting. Some fobs hide a metal key that has to be cut to match your locks.
  • Where and when. A visit to your car at night costs us more to run than a daytime appointment at the shop.
  • Access to programming. A few vehicles need extra security steps or information that takes more time to obtain.

Locked out or need a locksmith now?

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

Call (213) 577-1366

Are there fobs we cannot make?

Yes, and we would rather tell you up front. Some vehicles, particularly certain newer models, restrict key programming so tightly that the dealer is the only source of a working key or the only party that can authorize it. In those cases we will say so plainly instead of taking your money and trying.

Our approach is to check by VIN first. Where the information we have is unclear or conflicting for your particular vehicle, we will say that we need to confirm in person rather than promise something we cannot verify. That sometimes means a short phone call before we ever drive out, and it saves you a wasted trip. If the dealer is the only route, we will tell you that too and point you in the right direction.

Related issues are sometimes mistaken for fob problems. If the fob is fine but the key will not turn or the car will not crank properly, the ignition may be worn or damaged, which is a different job handled under ignition repair. If your fob is working but locked inside the car, that is a car lockout, and we handle that separately from replacing the fob.

Key fob replacement around Sylmar and ZIP 91342

Sylmar is spread out. A call might come from a driveway in the Olive View area, a parking lot along the Foothill Boulevard corridor, or a side street in the Polk Street area, all within ZIP 91342. We serve the whole neighborhood and work wherever the car happens to be, including driveways, parking structures, shopping center lots and the street in front of a home.

One situation we know well here is the commuter who parks at the Sylmar/San Fernando Metrolink station. Leave in the morning, come back in the evening, and the fob is gone or has stopped responding. That is a bad moment to be stuck, especially if the only fob you own is the one you just lost. Calling us from the platform lot means we can meet you at the car, confirm the fob type by VIN, and program a new one there instead of you arranging a tow to a dealership.

Housing here also shapes the work. Many homes in Sylmar are postwar through 1980s tract houses, with newer gated townhome and small-lot developments near Foothill Boulevard. Gated communities can have visitor rules, so tell us the gate code or the guest process when you call. Larger lots often have long driveways and detached garages, and cars parked far from the house are easy to forget about until the fob goes missing. Out toward Kagel Canyon and Lopez Canyon, the roads are narrower and farther from the main streets, so give us a clear address or a pin location.

Summers in this northern corner of the Valley run very hot, and a fob left on a dashboard or in a closed car can take a beating from the heat. Heat is generally hard on batteries and plastic cases, so if your fob has become sluggish in summer, try a fresh battery first. We will check that before recommending a replacement. If you also have a vehicle that is one of several in a household, we can program spare fobs for each in one visit, which is easier than making repeated trips.

Locked out or need a locksmith now?

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

Call (213) 577-1366

Why call Wilshire Lock & Key for a key fob?

We have been in business since 1987. We are one company, not a dispatch service that sells your job to whoever picks up the call. When you phone (213) 577-1366, you reach us, any hour of any day, and the technician who comes out works for the same shop that answered. David, the owner and lead technician, oversees the work.

We run a storefront at 10740 Wilshire Blvd in Westwood and mobile service vans, so you have two options: we come to you, or you bring the vehicle in. We serve 140 cities across Los Angeles and Ventura counties, so Sylmar is well within our regular territory.

California requires locksmith companies to hold a BSIS LCO license, and you should ask any locksmith for their license number before work begins, including us. A reputable company will not mind the question. A few other things are worth checking whichever locksmith you call: do they ask for your VIN, do they ask for proof of ownership, and do they explain what drives the cost before they start? If a caller will not discuss any of that, move on.

If you want to know the wider range of work we do on vehicles, our automotive locksmith page covers it. You can also contact us through the site if the phone is not convenient.

What should you have ready before you call?

A little preparation shortens the call and keeps the job accurate. Here is what helps:

  • The year, make and model of the vehicle, and the trim if you know it
  • The VIN, found on the dashboard near the windshield or on the driver door jamb
  • Your ID and proof of ownership, such as registration or title, which we need before making any key
  • Whatever fob you still have, even if it is broken, because the case or board can help us identify it
  • The car's exact location, including any gate code or parking level
  • A note about how many fobs you want programmed, so we can bring the right parts

Taking care of the new fob

Once the new fob is working, a few habits keep it that way. Do not leave it on the dashboard in summer sun. Keep it away from water, and if it goes through the wash, dry it and replace the battery soon after. Keep the spare somewhere safe at home, not in the car. Replace the battery when you notice weaker range instead of waiting for it to die. Those simple steps prevent most of the calls we get.

If you have only one fob left, do not wait for it to fail. Making a spare while the original still works is the more economical route and the easier job. A single phone call now beats a call from a parking lot later.

Frequently asked questions

Can you program a key fob at my car in Sylmar?

In most cases, yes. Our mobile vans carry programming equipment, so we come to your driveway, work lot or commuter parking space. Some vehicles have restrictions that make dealer involvement necessary, and we confirm that by VIN before you wait on us.

Is it cheaper to replace a key fob with you than at the dealer?

It depends on the vehicle, and we will not promise a comparison we cannot verify. What we can say is that coming to your car saves towing and a trip to the dealership, and we explain every factor that affects the cost before work starts. For some vehicles the dealer is the only option, and we will tell you.

What if I lost all my key fobs?

It can still be done on many vehicles, but it takes more steps than adding a spare. The car has to be set up to accept a new key without an existing one to copy from. Call us at (213) 577-1366 with the VIN and we will tell you whether we can handle it or whether it is a dealer-only case.

Do you replace push-button-start smart keys?

Yes, we work on proximity keys for push-button-start vehicles. Whether we can supply and program yours depends on the specific vehicle, which we confirm by VIN. Many smart keys also contain a hidden emergency blade, which we can cut if needed.

My fob stopped working. Do I need a new one?

Not always. A weak battery is a common cause and the lighter-cost fix. If a fresh battery does not help, the fob may be damaged or have lost its programming, and then replacement or reprogramming makes sense. We can sort out which one it is.

Can you make a spare fob if I still have one?

Yes, and it is the best time to do it. Adding a spare when you still have a working fob is generally simpler than replacing everything after a loss. Give us the VIN and we will explain what your car needs.

What do you need from me before making a fob?

We need your ID and proof that the vehicle is yours, such as the registration or title. We also need the VIN. This protects you, since nobody should be able to get a key made for your car without proving ownership.

Do you only do key fob work, or other car key problems too?

We handle several. If your key is a chipped key rather than a remote, our transponder key programming page explains that work. If you need mobile help of any kind, our mobile locksmith service covers it, and we answer the phone around the clock.

More locksmith help in Sylmar

Key Fob Replacement near Sylmar

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 Sylmar?

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

Call (213) 577-1366
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