Key Fob Replacement in Cerritos · 24/7 mobile
Key Fob Replacement in Cerritos, California
Crenshaw Lock Company provides mobile key fob replacement in Cerritos, California, available 24/7. We come to your car, replace and program remote fobs and smart keys on site, and cut a backup key when needed. Call (323) 997-8867 to talk with a technician about your vehicle.
- Mobile to your Cerritos location
- Available 24/7
- Price quoted before we start

A key fob looks like a small piece of plastic, but it holds a transponder chip, a radio transmitter and, in many newer cars, a proximity system that has to be paired with the vehicle's computer. When one is lost, cracked or dead, you cannot simply have a copy stamped out at a counter. The fob has to be programmed to your specific car, and that takes the right equipment and some know-how.
In Cerritos, a car is part of daily life. Residents commute along the SR-91 and I-605, shop at Los Cerritos Center, take in a show at the Cerritos Center for the Performing Arts, and buy and service vehicles at the Cerritos Auto Square. When a fob fails, it tends to happen in a parking lot, a garage or a driveway, which is exactly where we work. Crenshaw Lock Company is fully mobile, so there is no shop to tow your car to and no storefront to visit.
Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, under owner and lead technician David Shar. This page explains how fob replacement works, what affects the cost, and what to expect if you call us from somewhere in Cerritos. We will not quote a price without knowing your vehicle, because the make, model, year and key type really do change the job.
How it works in Cerritos
- 1
Call and describe the situation
Call (323) 997-8867 any hour. Tell us the make, model and year, whether you still have any working key, and where the car is parked. That lets us bring the right fob blank and programming tools to you.
- 2
Confirm the fob type
Fobs range from a basic remote with a separate blade key, to a flip key, to a push-button-start smart key. We identify which type your vehicle uses, because they are programmed differently and are not interchangeable.
- 3
Verify ownership
Before we create a key for any vehicle, we ask for proof that it is yours, such as ID matching the registration. This protects you and is standard, responsible practice for automotive work.
- 4
Cut and prepare the key
If your fob has a mechanical blade or emergency key, we cut it on site by code or from the lock as appropriate. The new fob is prepared and checked before we start pairing it.
- 5
Program to the vehicle
We connect programming equipment to the car and register the new fob so the immobilizer recognizes it. Where applicable, we also program the remote functions such as lock, unlock, trunk and panic.
- 6
Test everything
We test starting the engine, the remote buttons and the proximity functions, and any other keys you already own. You see it all working before we finish.
Need key fob replacement in Cerritos?
24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.
What affects the price
- Vehicle make, model and year, since some brands use far more complex security systems than others.
- Type of key: a standard remote, a flip key, or a proximity smart key each involve different hardware.
- Whether you have a working key left, which can make programming simpler than an all-keys-lost situation.
- Whether the fob is a dealer-only or hard-to-source part, which affects the cost of the unit itself.
- Whether a mechanical key must also be cut, and how many fobs you want programmed.
- Time of day and the location of the vehicle, since we serve 24/7 and travel to you.
Why Cerritos chooses us
- Fully mobile service: we work at your car, whether that is a Cerritos driveway, a mall lot or a dealership parking area.
- In business since 1987, so we have decades of experience with transponder and remote systems as they evolved.
- Owner-led: David Shar leads the work, so you are dealing with an experienced technician rather than a call center.
- 24/7 availability for lockouts and lost keys that do not wait for business hours.
- We tell you plainly when a fob is a good candidate for programming versus when a different solution makes more sense.
- We check ownership before making a key, which keeps the process legitimate and your vehicle secure.
Key Fob Replacement across Cerritos
Cerritos is a master-planned city that grew from Dairy Valley farmland into a suburb of tidy two-story homes and townhome communities, and its car culture shows. Around Cerritos Towne Center, residents often park in attached garages or on quiet residential streets, and a lost fob there usually means a phone call from the driveway. We come to you, program a replacement, and you are on your way without a tow.
The Los Cerritos Center district and the surrounding retail along South St, Del Amo Blvd and Bloomfield Ave see plenty of shoppers and workers who discover a dead or missing fob in a large parking lot. At Cerritos Auto Square, a customer who has lost the only key to a vehicle may need on-site transponder programming and a new cut, and that is a job we are set up to handle where the car sits. We also help people near the Cerritos Library, the Sculpture Garden at the Civic Center and the Performing Arts Center when an evening out ends with a missing key.
Whether you are in ZIP code 90703 or just off the SR-91 or I-605, call (323) 997-8867 and tell us where you are parked. We will talk through your vehicle and arrange service, any hour of the day or night.
- Cerritos Towne Center
- Los Cerritos Center district
- Cerritos Auto Square
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Other Cerritos locksmith services
Access ControlInstall keypad, card and fob access-control systems for business entrances.
Automotive LocksmithMobile auto locksmith for cars, trucks, motorcycles, RVs and fleets.
Broken Key ExtractionKey snapped in a lock or ignition? We extract the piece and cut a replacement.
Business LockoutLocked out of a store, office or commercial building? Rapid commercial entry.
Car Key ReplacementReplace lost or broken car keys — cut and programmed on site, even with no original.
Car LockoutKeys locked in the car or trunk? Fast, damage-free vehicle unlocking.
Commercial Door HardwareRepair and replace storefront, aluminum-frame and mortise door hardware.
Commercial LocksmithBusiness locksmith for offices, stores, warehouses and industrial sites.
Deadbolt InstallationAdd or replace single- and double-cylinder deadbolts for stronger doors.
Door Closer RepairRepair, adjust and replace hydraulic door closers on commercial doors.
Emergency Locksmith24/7 emergency dispatch for lockouts and urgent lock failures across Greater LA.
Gate Lock RepairRepair and install gate locks and latches, including keypad and smart gate locks.
High Security LocksInstall pick-, bump- and drill-resistant high-security locks and keys.
House LockoutLocked out of a house, apartment or condo? Damage-free entry on location.
Ignition RepairRepair or replace ignition cylinders and fix keys that won't turn.
Key DuplicationCut and copy house, office, mailbox and restricted keys on location.
Lock InstallationInstall new locks on new doors or where none existed before.
Lock RekeyingRekey existing locks so old keys stop working — ideal after a move or sale.
Lock RepairFix sticking, jammed, loose or misaligned locks, deadbolts and latches.
Lock ReplacementSwap worn, damaged or outdated locks for new hardware keyed to your needs.
Mailbox Lock ReplacementReplace and rekey residential, cluster and community mailbox locks.
Master Key SystemDesign and install master-key and restricted-key systems with key control.
Panic Bar InstallationInstall and repair panic bars, exit devices and emergency-exit hardware.
Residential LocksmithFull home locksmith service — rekeys, replacements, repairs and upgrades.
Safe LocksmithOpen, repair and service home and commercial safes; change combinations.
Smart Lock InstallationInstall, set up and troubleshoot smart, keyless and keypad locks.
Transponder Key ProgrammingProgram chip/transponder keys to your vehicle's immobilizer.
See all of our Cerritos services, or our citywide key fob replacement page.
Reviewed by David Shar — Owner & Lead Technician
Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.
Last updated 2026-10-12.