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Crenshaw Lock

Transponder Key Programming in Compton · 24/7 mobile

Transponder Key Programming in Compton, California

Crenshaw Lock Company provides mobile transponder key programming in Compton, California, 24 hours a day, 7 days a week. We come to your vehicle and program chip keys to its immobilizer so it starts and runs. Call (323) 997-8867 to talk with a locksmith now.

  • Mobile to your Compton 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 a cut piece of metal. Inside the plastic head sits a small transponder chip that talks to the vehicle's immobilizer, and if the car does not recognize that chip, the engine will not run, no matter how perfectly the blade turns in the ignition. In Compton, where so many people commute daily on the I-710, I-105 and SR-91, losing the only working key or having a spare fail can stop a whole day's plans.

Crenshaw Lock Company has served Greater Los Angeles and Ventura County since 1987, and we are fully mobile. There is no shop to tow your car to and no storefront to visit. We bring the equipment to the vehicle, whether it is parked on a Richland Farms driveway, in a lot near Compton College, or on the street outside your apartment, and we program the key on site.

This page explains how transponder programming works, what affects the cost, and what to have ready when you call. We would rather you understand the job before we arrive, so nothing about it feels like a mystery or a surprise.

How it works in Compton

  1. 1

    Call and describe the vehicle

    Phone (323) 997-8867 and tell us the make, model and year, and whether you have any working key. Whether you still own a key decides which programming method applies, so that detail helps us prepare.

  2. 2

    We come to you

    Because we are fully mobile and available around the clock, we drive to wherever the vehicle is sitting in Compton. We do not ask you to tow the car or bring it anywhere.

  3. 3

    Confirm ownership

    Before we create a key for a vehicle, we ask for reasonable proof that it is yours, such as ID matching the registration. This protects owners and keeps keys from reaching the wrong hands.

  4. 4

    Cut the blade if needed

    If your key has a physical blade, it is cut to match the lock. Some vehicles use push-button start with a proximity fob, which has no blade to cut, and we handle those differently.

  5. 5

    Program the chip to the immobilizer

    Using diagnostic and programming equipment connected to the vehicle, we register the new transponder so the immobilizer accepts it. Depending on the vehicle, this may mean adding a key alongside existing ones or creating a first key when all are lost.

  6. 6

    Test everything

    We start the engine, check the door locks and remote functions, and confirm the key works repeatedly before we finish. If you want a spare programmed while we are there, this is the best moment to do it.

Need transponder key programming in Compton?

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

Call (323) 997-8867

What affects the price

  • Make, model and year of the vehicle, since some manufacturers have more involved immobilizer systems than others.
  • Whether you still have a working key to copy from or every key is lost, which changes the procedure and the time it takes.
  • The type of key: a basic transponder key, a remote-head key, a flip key, or a proximity smart key each differ in hardware.
  • How many keys you want programmed in one visit, including whether you want a spare added.
  • Whether the blade needs cutting, or if the key requires special laser-cut or high-security milling.
  • The time of day and the location, since we serve you at all hours and travel to the vehicle.

Why Compton chooses us

  • We have operated since 1987, led by owner and lead technician David Shar, so this work comes from long hands-on experience rather than a recent trend.
  • We are fully mobile, so the service happens at your car instead of requiring a tow to a shop.
  • We are available 24/7, which matters when a key fails late at night or early before work.
  • We explain the job and the cost factors before starting, and we ask for proof of ownership as a matter of routine.
  • We handle the lock side too, so if the ignition or door lock is worn, the same visit can address it.

Transponder Key Programming across Compton

Compton is a city of commuters and car owners, and vehicles here range from older family cars parked in 1950s tract-home driveways to newer models with smart keys. In Richland Farms, with its one-acre lots, trucks, and trailers, we often meet owners whose work vehicles stay outdoors for long stretches, and a lost key can hold up the entire day. Near Downtown Compton, around the Civic Center and City Hall, and in Sunny Cove and Leland, vehicles are commonly parked on the street or in apartment lots, so programming right at the curb saves a lot of trouble.

We serve ZIP codes 90220, 90221 and 90222, and we reach drivers along Alameda Street, Long Beach Boulevard, Compton Boulevard, Rosecrans Avenue and Central Avenue, as well as people stranded close to the I-710, I-105 and SR-91 on-ramps. If you work or shop at Gateway Towne Center, study at Compton College, or travel through Compton/Woodley Airport, we can meet you in the parking area and program the key there.

Since we are mobile only, there is nowhere to drop off a car. Call (323) 997-8867, tell us where you are parked, 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.

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Other Compton locksmith services

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

Transponder Key Programming in Compton — FAQs

What is a transponder key?
It is a key with a small chip inside the head. The vehicle's immobilizer reads the chip, and the engine will only run if the chip is recognized, even when the blade turns the ignition.
Can you program a key if I lost all my keys in Compton?
In many cases yes. It takes a different procedure than copying from a working key. Call (323) 997-8867 with your vehicle details and we will explain what applies to your car.
Do I need to tow my car to you?
No. We are fully mobile and come to your vehicle in Compton, whether at home, work, or on the street.
Is the service available at night and on weekends?
Yes. We are available 24/7, including nights, weekends and holidays. Call (323) 997-8867 any time.
Will I need to prove I own the vehicle?
Yes. We ask for reasonable proof, such as ID that matches the registration, before making or programming a key. It protects you as the owner.
Can you program a spare key at the same time?
Yes, and it is often the smartest time to do it. Adding a spare during the same visit is usually easier than coming back after the only key fails.
Why can't I just buy a key online and have it work?
A blank chip key still has to be programmed to your vehicle's immobilizer, and it may need the blade cut. We can program the correct key, but we recommend calling first about what suits your car.
How much does transponder key programming cost?
It depends on the vehicle, the key type, whether any key still works, and how many keys you need. Describe your car when you call and we will explain the factors involved.
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