What does key fob replacement actually involve?
A key fob looks like a simple plastic case with buttons, but it is really a small radio transmitter with a battery, a circuit board, and usually a chip that your car has to recognize. Replacing one is not a matter of cutting metal. The new fob has to be matched to your vehicle so the car accepts it, and that is the part people don't see and can't easily do at home.
Most calls we get about fobs fall into a few situations: the fob was lost, it was dropped or went through the wash and stopped working, the buttons wore out, the case cracked, or the battery was changed and the car still doesn't respond. Sometimes the car has only one working fob left and the owner wants a spare before something goes wrong. Each of those has a slightly different answer, and the first thing we do on the phone is sort out which one you are dealing with.
If you are in Westlake Village and need this done, call (213) 577-1366. The line is answered 24 hours a day, 7 days a week, and we can usually tell you in one conversation whether your vehicle is something we can handle at the curb or something that needs a different route.
Is yours a remote fob, a smart key, or a push-button-start key?
The word fob gets used for several different things, and the type you have changes the job. Knowing which one you carry is the quickest way to get an accurate answer from any locksmith.
A few plain descriptions help you identify yours:
- Remote key with a blade: a metal key you insert into the ignition, with lock, unlock, and trunk buttons built into the head or on a separate remote. This is the more traditional setup, and often the more straightforward one to replace.
- Flip key: the metal blade folds into the fob. It is still a key-and-remote combination, just packaged together.
- Proximity key or smart key: you keep it in a pocket or bag, and the car unlocks as you approach or touch the handle. There is usually a hidden emergency blade inside.
- Push-button-start fob: the same family as the proximity key, used with cars that have a start button instead of an ignition slot. People often search for push to start key replacement or push button start key replacement when this is what they have.
- Separate remote only: a stand-alone remote for locking and unlocking, while a different transponder key starts the car. Replacing the remote does not replace the key, and the reverse is also true.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366How do we replace and program a key fob?
The process is the same in outline every time, though the details change by vehicle. We work through it in order so nothing is guessed at.
We keep it deliberately plain, because you should know what is happening to your car.
- You call (213) 577-1366 and tell us the make, model, year, and what the situation is: lost, broken, or a spare you want to add. If you can read us the VIN from the dashboard plate or your registration, even better.
- We confirm what your vehicle uses. Where the available information is unclear or varies by trim or production date, we say so and confirm by VIN or in person rather than assume.
- We confirm you are the owner or authorized driver. Expect to show ID and proof of ownership or registration. This protects you, and we will not skip it.
- We arrive with a mobile van, or you come to our Westwood storefront if that suits you better. We check your existing key or fob, the battery, and the car's response before cutting or programming anything.
- We supply the matching fob or remote, cut the emergency or ignition blade if your key has one, and program the new unit to the car. If the vehicle has a limit on how many fobs it accepts, we account for that.
- We test every function with you: lock, unlock, trunk or hatch, panic, remote start if equipped, and starting the engine. For smart keys we also test the proximity unlock and the push-button start.
- If a lost fob is involved, we explain how older fobs can be removed from the car's memory on vehicles where that is possible, so a lost one stops working.
How much does key fob replacement cost in Westlake Village?
We don't quote numbers on a web page because the honest answer depends on your car, and a flat figure would mislead someone. What we can do is tell you exactly what moves the cost up or down so you can judge any quote you receive, ours included.
Here is what actually drives the price:
- Type of fob: a basic remote costs less to source than a proximity smart key, and a smart key with extra features usually costs more still.
- Make, model, and year: some manufacturers make parts and programming easy to reach, others restrict them tightly.
- Original equipment versus aftermarket: a quality aftermarket fob is often the more economical route, while an original manufacturer part can cost more. We'll explain the difference rather than push one.
- Whether you still have a working key: adding a spare while one works is generally simpler than starting from nothing when every key is lost. Lost-all-keys jobs can involve more steps.
- Blade cutting: if the fob has an emergency or ignition blade, cutting it adds work, and a laser-cut blade takes different equipment than a standard one.
- Where and when: a mobile call to your location involves travel, and after-hours calls are handled differently from a daytime appointment at our storefront.
- Number of fobs: programming two at once is usually more efficient than coming back later for a second.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366When is the dealer the only option?
We would rather tell you this up front than have you wait for a van that cannot help. Some vehicles, depending on make, model, and year, restrict fob programming to the dealer or to equipment locksmiths cannot reach. On certain cars a replacement fob must be ordered through the manufacturer using the VIN before anyone can program it.
We don't carry a list of vehicles we would guess about. If your car is one where the data is unclear or conflicting, we say so plainly and confirm by VIN or in person. If it turns out the dealer is the only route, we will tell you that on the phone rather than sending someone out and charging you for the trip. When we can do it, you get the work done where your car is parked instead of arranging a tow.
Why call Wilshire Lock & Key for a key fob?
We have been in business since 1987, and the same company that answers the phone sends the van. There is no dispatch middleman taking your call and handing it to whoever is nearest. David, the owner and lead technician, oversees how the work is done, and that is the part of a small shop that matters when it is your only car.
We have a storefront at 10740 Wilshire Blvd in Westwood as well as mobile service vans, so you have a choice. If you can bring the car or the old fob to us, that works. If you are stuck in a parking lot or at home, we come to you. Our line is open every hour of every day of the year, because a dead fob does not wait for business hours.
We also keep the different jobs separate in how we talk about them. If what you really need is a new key cut and programmed, see our car key replacement page. If every key is gone, our lost car key replacement service covers that situation. A fob that works but a key that won't turn is a different issue entirely, which is where ignition repair comes in.
Key fob help around Westlake Village
Westlake Village sits on the Los Angeles County side of the line, with ZIP code 91361, and it is a community built around a lake and a lot of daily driving. Most homes are 1960s to 1980s single-family tracts, many under HOAs, with garages that cars live in and driveways where they sit in the sun.
Fob calls here tend to follow how people actually live. In neighborhoods like Westlake Island, where homes sit behind a gated bridge entrance, a residents' fob problem can leave you outside your own gate with a car that will not respond, and we can meet you at the car instead of asking you to come to us. In First Neighborhood and Foxmoor Hills, older tract homes mean long-term owners who often have one aging fob and no spare, which is exactly the point at which a spare is easiest to make. Around Three Springs and Southshore Hills, families with several drivers often need a second or third fob programmed in one visit.
Sun exposure is the climate factor worth mentioning. The Conejo Valley gets some moderating marine influence, but summers are warm and dry, and Santa Ana wind events add to it. Fobs left on a dashboard or in a hot car can have worn button rubber and faded cases, and battery weakness often shows up as a fob that works only when you stand right next to the car. That is a good time to replace a fob before it fails fully.
Work and weekend patterns matter too. People who park near The Landing at Westlake, the Westlake Village Inn, or the business parks along Lindero Canyon Road often discover a failed fob at the end of the day, far from home. In those cases the mobile route saves a tow or a long trip. For anything that involves getting into a locked car first, our car lockout service handles that before the fob work begins.
Our storefront is in Westwood, about 32 miles from Westlake Village, and our mobile vans cover the area. You can read more about how we serve the city on our mobile locksmith page.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366What to have ready when you call
A little preparation makes the call quicker and the answer more accurate. None of this is required, but it helps.
- The make, model, and year of the car, plus trim if you know it.
- The VIN, visible through the windshield on the dashboard or printed on your registration or insurance card.
- Your photo ID and proof of ownership or registration. We need to verify you before programming a fob.
- Any fobs or keys you still have, even broken ones. A damaged fob can sometimes be read or copied from.
- A note about what stopped working: buttons, proximity unlock, starting, or all of it.
- Your exact location and whether the car is in a garage, a gated area, or a public lot, so we know how to reach it.
How should you check a locksmith before you hire one?
Car key work involves access to your vehicle, so it is worth asking a few questions of any company, including us. California requires locksmith companies to hold a Bureau of Security and Investigative Services (BSIS) locksmith company license, known as an LCO license. Ask any locksmith for their license number, and check it with BSIS yourself.
Beyond that, ask whether the person arriving works for the company that answered the phone, ask what drives the price before they come out, and be cautious of anyone who cannot explain what type of fob your car uses. A straightforward company will say so when a job is dealer-only or needs more information. For a wider look at what we do with vehicles, see our automotive locksmith page, and if you need help in the middle of the night, our 24-hour locksmith service is always available at (213) 577-1366.
Frequently asked questions
Can you make a replacement key fob if I lost mine completely?
In many cases yes, though it depends on your vehicle. We confirm by VIN what your car uses, verify ownership, and then supply and program a new fob. When every key is gone the job has more steps than adding a spare, and on some vehicles the dealer is the only route. We will tell you which applies when you call (213) 577-1366.
Do I have to go to the dealer for a key fob?
Not always. Many fobs can be replaced and programmed by a locksmith at your location, which can save a tow. Some makes, models, and years restrict programming to the dealer, and we say so honestly rather than guess. We confirm by VIN or in person.
Is a new battery enough, or do I need a new fob?
If the fob works only when you are very close to the car, or the indicator light is dim, a battery is often the first thing to try. If a new battery does not help, or the case is cracked or the buttons are worn through, replacement is the next step. We can check it with you before selling you anything.
Can you program a fob I bought online?
Sometimes. Fobs bought online vary a lot in quality and compatibility, and some are locked to another vehicle or are the wrong frequency. We can look at it and tell you if it is usable. We would rather check it first than program a unit that fails later.
Can you replace a push-button-start or proximity key?
Yes, in many cases. These smart keys must be matched to the car, and the process is different from a basic remote. Give us the make, model, and year, and we will confirm by VIN what your vehicle needs and whether we can do it on site.
Will my old lost fob still work after you program a new one?
On vehicles where it is possible, we can remove old fobs from the car's memory so a lost one no longer works. Not every vehicle allows this the same way, so we explain what applies to yours. If your lost fob could be in the wrong hands, mention it when you call.
Do you come to me, or do I have to bring the car in?
Either works. Our mobile vans come to your location in Westlake Village, and our storefront at 10740 Wilshire Blvd in Westwood is available if you prefer to bring the car or fob. Mobile saves you a tow and is usually what people choose when the car will not start.
How many fobs should I have?
At least two. Having a spare means a lost or broken fob is an inconvenience instead of an emergency. Making a spare while you still have a working fob is generally simpler than replacing everything after the last one is gone, and we can add it in the same visit if the car allows.
More locksmith help in Westlake Village
Key Fob Replacement near Westlake Village
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.
