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Automotive locksmith

Key Fob Programming

Programming replacement or additional remotes and key fobs to your vehicle, where the make and model allow it.

Locksmith in a car's passenger seat uses a programming tablet as the driver holds a key fobIllustrative image

Key fobs and remotes must be paired with the vehicle before they will lock, unlock, or start it. Programming may be needed after buying a replacement fob, adding a spare, or when a fob stops being recognized. Whether it can be done away from the dealer depends on the vehicle, and we confirm that before any work is booked.

What's included

  • Checking that the fob is compatible with your vehicle
  • Programming new or additional fobs and remotes
  • Removing lost fobs from the vehicle's memory where the system allows
  • Testing lock, unlock, trunk, and start functions afterward
  • Advice on battery replacement and fob care

What affects the quote

  • The make, model, and year of the vehicle
  • Whether you supply the fob or need one sourced
  • Whether the fob is an original-equipment or aftermarket part
  • How many fobs need programming
  • Whether existing fobs must be removed from the system

Timing and the quote are confirmed with you directly before anything is booked.

What to have ready

  1. The make, model, year, and VIN
  2. All working fobs and keys for the vehicle
  3. Details of any fob you have already bought, including where it came from
  4. Registration or title and a photo ID

Authorization and safety

Programming a fob gives it access to the vehicle, so we ask for proof of ownership or authorization, typically a photo ID with the registration or title in the same name. Leased or company vehicles may need the lessor's or fleet manager's approval.

Good to know

  • Some vehicles only allow fob programming through the dealer.
  • Fobs bought online can be the wrong part or frequency, or already locked to another vehicle, and may not program.
  • If a fob stopped working, the cause may be the battery or the fob itself rather than programming.

Common questions

My fob stopped working. Does it need reprogramming?

Not always. A weak battery is the most common cause, so try replacing it first. If a fresh battery does not help, the fob may need reprogramming or replacement.

Can I buy a fob online and have it programmed?

Sometimes. The fob must match your vehicle's part number and frequency, and some used fobs cannot be reprogrammed. If you can, share the listing or part number before buying and we will tell you whether it is likely to work.

Can a lost fob be disabled?

On many vehicles, programming new fobs can remove old ones from the system so a lost fob no longer works. Whether this is possible depends on the vehicle.

Need key fob programming help?

Tell us what's going on and where. We'll confirm whether we can help and what happens next.

Request service