HUB KEY SERVICESMobile car locksmith in Fremont, CA

Key Fob Programming & Replacement in Fremont, CA

Fob buttons dead, case cracked, or the fob is gone? We test it, replace it if needed and program the new one to your car on the spot, including push-to-start smart fobs.

Adam programming a new Mercedes-Benz key inside the car
Open 24/7 5.0 from 80 Google reviews CA license LCO-8291, insured

Key Fob Not Working? Check These First

Before you pay for a new fob, a few things are worth checking:

  • The battery. A weak battery is the most common reason buttons stop working or the car says “key not detected.” The range getting shorter is an early warning.
  • The case. Cracked cases and worn buttons stop the circuit board making contact.
  • Interference. Rarely, a parking spot near strong radio transmitters stops fobs working for a moment.

If a new battery doesn’t fix it, the fob may have lost its programming or the board is damaged. That’s where we come in.

Push-to-Start Car Won’t Start?

Most smart key fobs have a backup. Hold the fob right against the start button (or in the slot some cars have) and press the button. The car can read the chip even when the battery is dead. If that doesn’t work, call us. A lot of “dead fob” calls turn out to be a fob that needs reprogramming.

How Fob Replacement and Programming Work

  1. We test your fob, check the battery and look for damage.
  2. If it can be saved, we reprogram it to the car or fit a new shell.
  3. If it can’t, we supply a new fob that matches your car’s frequency and chip.
  4. We program it with our tool and, if a fob was lost, erase it from the car’s memory.
  5. We test every button, plus starting the car.

Fobs We Replace and Program

  • Lock and unlock remotes, with or without a separate key
  • Remote head keys and flip keys with built-in buttons
  • Smart keys and proximity fobs for push-to-start
  • Remote start fobs on many models

Vehicle Makes and Models Covered

We replace and program fobs for Toyota, Honda, Ford, Chevrolet, Nissan, Jeep, Hyundai, Kia, Subaru, Mazda, Chrysler, Dodge, Ram, Lexus, Acura, Infiniti, Jaguar, Mercedes-Benz and more. Recent fob jobs include a Jeep Grand Cherokee fob, a Jeep Wrangler fob, a Kia Soul, a Mercedes-Benz fob and a Jaguar XJR remote.

What a Key Fob Costs

Price depends on the fob type (a basic remote costs less than a push-to-start smart key) and on how the car’s system is programmed. Fob batteries are a normal wear item and aren’t covered by warranty unless your invoice says so. See typical programming prices on our pricing page.

Why Choose Hub Key Services for Key Fobs

  • Tested first. If a battery or a reprogram fixes it, that’s what we recommend.
  • Programmed at your car, at home, at work or in a parking lot.
  • Weekend help. One customer needed fob work on a weekend after other shops couldn’t help. We did it the same day.
  • Licensed and insured, California locksmith license LCO-8291.

Need a full key, not just a remote? See car key programming or car key replacement. Want a backup fob? See car key duplication.

Key Fob FAQs

Can you program a fob I bought online?

Sometimes. Online fobs are often the wrong frequency or chip, or locked to another car. Send us the part number before you buy, or let us supply one we know works.

Do you replace just the fob case?

Yes, if the electronics are fine and only the shell or buttons are worn, a new case can be cheaper than a new fob.

My fob works sometimes. What’s wrong?

Usually a weak battery or worn contacts. Try a new battery first. If it still cuts out, we can test it.

Can you remove a lost fob from my car?

Yes, on most cars we can erase a lost fob while programming the new one, so the old one can’t unlock or start the car.

Recent Jobs From the Van

Real keys from real customers’ cars, made and programmed on site.

See all job photos
  • Kia Telluride smart key
    Kia Telluride smart key
  • Honda Accord smart key
    Honda Accord smart key
  • Infiniti smart keys
    Infiniti smart keys
  • Kia Optima smart key
    Kia Optima smart key
Adam, owner of Hub Key Services, at work with the Hub Key Services van

Who shows up

Meet Adam, the Owner

Adam owns Hub Key Services and does the work himself. The person who quotes you on the phone is the person who comes to your car.

  • California locksmith license LCO-8291, insured
  • Key machine and programming tools in the van
  • Never passed to a subcontractor

What Customers Say About Our Key Fob Replacement Service

Real Google reviews from drivers we’ve helped. 5.0 stars from 80 reviews.

H
Hai Shao Google review · Jul 2026

Very happy with their service to have my Lexus key fob replaced. Adam is super professional, came to my house exactly when he promised and did a thorough test with me at the end. Final cost is exactly what he originally quoted with no surprises. Highly recommend Hub Key Services!

M
miho nakai Google review · Oct 2026

I contacted Keyless2Go to program a Remote Proximity Key Fob for my 2025 Prius. I had heard that Toyota key fob programming can be tricky, but Ahmed handled everything quickly, carefully, and professionally. He was very responsive and made the whole process smooth and stress-free.

D
Donna Mckinley Google review · Sep 2026

I was desperate to get my key fob re-keyed on the weekend and called several places. Some of the places referred me to Hub Key Service, which is a MOBILE Key service … Their vehicle was professional. The driver and worker was incredibly knowledgeable and thorough and a pleasant experience all around. … Adam is our guy!

Read all reviews

Service Areas

We’re based in Fremont and offer key fob programming & replacement at your location across the East Bay, South Bay and Peninsula.

Get a Quote for Key Fob Programming & Replacement

Call with the year, make and model, and we’ll give you a price before we head out. Or answer three quick questions and we’ll call you back.

(510) 766-0099
  • Open 24 hours, 7 days a week
  • Price on the phone before we head out
  • Licensed California locksmith LCO-8291, insured
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