Smart and proximity keys for keyless-start vehicles
If your car unlocks as you approach and starts with a button, you have a smart or proximity key. These are the most capable keys on the road and the most particular about compatibility.
We supply, replace and program smart keys for most manufacturers, whether you want a spare alongside a working key or a replacement for one that is lost or has failed.
How a proximity key works, in plain terms
The key and the vehicle hold a short conversation over radio. When the vehicle recognises the key nearby, it allows the doors to unlock and the start button to work. Nothing is inserted, so wear is rarely the problem — batteries, water damage and internal faults are the usual causes of failure.
Why compatibility varies more than people expect
Smart key systems are specific to platform and model year. The same model can use different frequencies or key profiles depending on when and where it was built, and some systems reject anything other than the exact part number.
This is why we identify the vehicle before quoting. It avoids the common outcome of a cheap online key that no one can code.
- Push-button-start vehicles across most mainstream and premium makes
- Spare smart keys while a working key still exists — the simplest case
- Replacement smart keys where the original is lost or has failed
- Vehicles where a genuine manufacturer key is the only viable option
When a genuine dealer key is required
On some newer vehicles the manufacturer restricts smart key supply, or the security platform means the work must be done through a franchised dealer. Where that applies, we say so clearly.
In many other cases we can supply and program a suitable key at your home or workplace, at a fixed price agreed in advance.
Working across the North West — see the areas we cover.
Common questions
- My smart key has stopped working — is it the battery?
- It often is, and that is worth checking first. If a fresh battery makes no difference, the key or the vehicle's receiver may need diagnosing.
- Can I get a spare smart key without going to the dealer?
- For most vehicles, yes. For a small number of newer models a manufacturer route is required, and we will tell you before you commit.
- Is a spare smart key cheaper than a replacement after losing one?
- Usually the work is simpler when a working key exists. The exact figure depends on your vehicle, so get an instant quote.
Other vehicle key work we handle
Worth reading before you book
Check your smart key options.
Enter your registration to confirm the key your vehicle uses and what it costs.
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