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Crenshaw Lock

Transponder Key Programming in Santa Monica · 24/7 mobile

Transponder Key Programming in Santa Monica, California

Crenshaw Lock Company provides mobile transponder key programming in Santa Monica, California, 24 hours a day, 7 days a week. We come to your vehicle and program chip keys to its immobilizer on site. Call (323) 997-8867 to talk through your car and your situation.

  • Mobile to your Santa Monica location
  • Available 24/7
  • Price quoted before we start
Call (323) 997-8867or tap to call — we answer 24/7
Car key being programmed with a handheld programmer inside a car
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A modern car key is more than cut metal. Inside the plastic head is a small transponder chip that talks to your vehicle's immobilizer, and if the chip is not recognized, the engine will not run, even when the key turns the ignition freely. Transponder key programming is the work of teaching the car to accept a new or spare key. In Santa Monica, where so many people share tight street parking and drive in and out of the beach area every day, losing a key or finding the only one has stopped working is a very common problem.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and the business is fully mobile. There is no storefront to visit. Our technician drives to you, whether your car is parked on a side street in Ocean Park, in a garage downtown, or in a lot near Santa Monica College, and does the cutting and programming at the vehicle. That matters because a car with no working key often cannot be driven to a shop anyway.

People call us for a few typical reasons: they have lost their only key, they want a spare before that happens, a key has stopped starting the car after being dropped or soaked at the beach, or they bought a used vehicle with just one key. Each case is a little different depending on the make, model, and year, and we are glad to talk through what your car needs before anyone drives out.

How it works in Santa Monica

  1. 1

    You call and describe the vehicle

    Call (323) 997-8867 any hour. Tell us the make, model, and year, where the car is parked, and whether you have a working key. These details help us understand what type of chip and programming approach your vehicle uses.

  2. 2

    We come to your car in Santa Monica

    Because we are fully mobile, the technician travels to wherever the vehicle sits, such as a driveway off Lincoln Blvd, a curb near Pico Blvd, or a parking structure near Third Street Promenade.

  3. 3

    Confirm ownership

    Before creating a key for any vehicle, we ask for reasonable proof that the car is yours, typically identification matched to registration or title. This protects you and every other driver.

  4. 4

    Cut the key and prepare the chip

    We cut the blade to your vehicle's key code or, if needed, from the lock itself. Then we match the correct transponder or smart-key hardware to your vehicle's system.

  5. 5

    Program to the immobilizer

    Using professional programming equipment connected to the car, we register the new key with the immobilizer. Depending on the vehicle, existing keys may be kept, or the system may need to be reset.

  6. 6

    Test everything before we leave

    We confirm the key starts the engine, turns the locks, and works any remote functions. You see it work before the job is complete.

Need transponder key programming in Santa Monica?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

What affects the price

  • Vehicle make, model, and year, since some systems are simple to program and others require more involved procedures
  • Type of key: a basic transponder key, a flip key, a proximity smart key, or a remote head key each involve different hardware
  • Whether you have a working key to copy or all keys are lost, which changes the amount of work required
  • How many keys you want programmed during the same visit
  • Time of day and location of the vehicle, given that we serve customers around the clock
  • Whether the ignition or lock cylinder has been damaged and needs attention along with the key

Why Santa Monica chooses us

  • Fully mobile service, so we do the work at your vehicle rather than asking you to tow it somewhere
  • Available 24/7, including nights and weekends when a dead key is most inconvenient
  • In business in Los Angeles area since 1987, with owner and lead technician David Shar
  • We explain what your particular vehicle needs before work starts, rather than offering a one-size answer
  • Ownership verification on every vehicle key job, which keeps key-making responsible
  • We test the finished key on your car before we consider the job done

Transponder Key Programming across Santa Monica

Santa Monica has its own rhythm of key problems. Near the Santa Monica Pier and Palisades Park, visitors and residents alike park along Ocean Ave and can find themselves without a key after a day on the sand. Salt air and moisture also take a toll on key fobs and worn blades, which is part of why a spare programmed in advance is worth considering for anyone living in Ocean Park or Sunset Park.

Many residents in Pico, Wilmont, and the rent-controlled courtyard buildings around the city rely on street parking or shared garages, and a single key is often all that comes with a used car. North of Montana, along Montana Avenue, driveways and garages make it easy for us to work at the vehicle. Downtown, near Santa Monica Place and Third Street Promenade, we are used to working in parking structures where a lost key can leave you stuck.

We serve all Santa Monica ZIP codes, including 90401, 90402, 90403, 90404, and 90405, and can reach drivers off I-10, Wilshire Blvd, Lincoln Blvd, and Pacific Coast Highway. Call (323) 997-8867 and we will come to you.

Locked out or need a locksmith now?

24/7 Mobile Locksmith across Greater Los Angeles & Ventura County. We answer 24/7.

Call (323) 997-8867

Other Santa Monica locksmith services

See all of our Santa Monica services, or our citywide transponder key programming page.

Transponder Key Programming in Santa Monica — FAQs

What is transponder key programming?
It is the process of registering a key's embedded chip with your vehicle's immobilizer so the engine will start. Without that match, even a perfectly cut key will not run the car.
Can you program a key if I lost all my keys in Santa Monica?
In many cases, yes. All-keys-lost situations take more work than copying an existing key, but we can often cut and program a new one at your vehicle. Call (323) 997-8867 with your vehicle details.
Do I need to tow my car to you?
No. Crenshaw Lock Company is fully mobile with no storefront, so we come to your car anywhere in Santa Monica, from Ocean Park to Downtown.
Are you available at night or on weekends?
Yes. We are available 24/7. Call (323) 997-8867 at any hour and we will talk through your situation.
Do I have to prove I own the vehicle?
Yes. We ask for identification and proof of ownership, such as registration or title, before making a key. It protects you and keeps the service legitimate.
Can you make a spare key before I lose the only one?
Yes, and it is usually simpler and less stressful than an all-keys-lost situation. Having a spare programmed is a practical step for anyone who parks near the beach or shares street parking.
How is the price determined?
It depends on your vehicle, the key type, whether you have a working key, and how many keys you need. We describe the factors up front instead of guessing. Call (323) 997-8867 to discuss your car.
Will the old lost key still start my car?
That depends on the vehicle and the programming method used. Some systems let us remove lost keys from the immobilizer so they no longer work. Ask us about this when you call.
DS

Reviewed by David Shar — Owner & Lead Technician

Crenshaw Lock Company has served Greater Los Angeles & Ventura County since 1987.

Last updated 2026-10-12.

Call (323) 997-8867 · Open 24/7