Car Key Cutting & Programming Service
Transponder keys, smart keys and proximity fobs — programmed and tested on-site.
What key programming covers
Key programming is the process of writing a new key’s transponder or smart key credentials into the vehicle’s security system so it is recognised as an authorised key. This is required when:
- A key is lost and needs to be replaced
- An additional key is being added to the vehicle
- A key fob has failed and the physical key works but remote functions do not
- After immobiliser work where the key pairing has been reset
We cover transponder keys (chipped keys where the transponder chip communicates with the EWS or PATS module on startup), smart keys (proximity-based keyless entry and start systems), and standard remote key fobs where the receiver needs to be paired.
Platform coverage
We programme keys for BMW (EWS3, EWS4, CAS2, CAS3, CAS4 systems), Mercedes (ESL/EIS), VAG group vehicles (Audi, VW, Skoda, Seat), and a range of other platforms. If you are not sure whether your car is covered, contact us with the make, model, and year.
What to bring
For most platforms, all currently working keys must be present during the programming session — the system reads the existing key set before adding a new one. If all keys are lost, the process is different and takes longer, as the security system needs to be reset before new keys can be accepted. Let us know the situation when you book.
All keys are tested for transponder function, remote locking, and (where applicable) start function before we leave.
Frequently Asked Questions
Yes, for most key programming we need the vehicle present to synchronize the new key with the immobiliser unit.
In many cases, yes, provided the key handles the correct frequency and chip type for your vehicle.
Most key programming jobs take between 30 minutes and 2 hours, depending on the vehicle make and whether it's an additional spare key or a full all-keys-lost situation.
Yes. We specialise in all-keys-lost situations. We can programme a brand-new key to your vehicle's immobiliser system, even if no original keys are available.
We cover most major makes including BMW, Mercedes, Audi, VW, Ford, Vauxhall, Land Rover, Jaguar, Toyota, Honda, Hyundai, Kia, and many more. Contact us with your vehicle details for confirmation.
Yes. We can programme proximity keys (keyless entry/keyless go) for vehicles equipped with push-button start systems. This includes both adding spare keys and replacing lost keys.
Yes, as with all our services, we come to you. Our mobile service means we can programme your car keys at your home, workplace, or any convenient location across London and the surrounding areas.