Not all car keys are built the same.
Find out which type your vehicle uses – and why it changes what a replacement takes.
Not all car keys are built the same.
Find out which type your vehicle uses – and why it changes what a replacement takes.
Most drivers never think about what kind of key they carry until they need another one. Then it matters a lot: the two common types work differently, cost different amounts to replace, and take different equipment to program. Knowing which one you have tells you what to expect before you ever pick up the phone.
A transponder key looks like an ordinary metal key with a thicker plastic head. Hidden in that head is a small chip. When you slide the key into the ignition, the chip answers a signal from your vehicle’s immobilizer with a unique code. Match the code and the engine starts; no match and the car simply will not turn over. This is why a key that is only cut, without the chip programmed, opens your door but never starts the engine.
A smart key never goes into an ignition. It stays in your pocket or bag and talks to the car over an encrypted short-range signal. Walk up, touch the handle, and the doors unlock; press the start button and the engine fires. Because the code changes every time, it is harder to copy — and that same encryption is what makes a replacement more involved than a traditional key.
You can usually identify your key in a few seconds:
Some vehicles blur the line with a remote head key — a transponder blade with lock buttons built into the head. It still has to be inserted and turned, so for replacement purposes it behaves like a transponder key.
A transponder key needs the blade cut to your vehicle and the chip paired to the immobilizer. A smart key skips the cutting but requires programming an encrypted fob to the car’s system, which takes more time and more capable equipment — so it costs more. Either way, the cheapest version of this job is the one you plan: a spare car key made while you still have a working original.
This is the part that surprises people. Neither key is something a hardware store can copy. The metal can be cut anywhere, but without pairing the chip or fob to your specific vehicle, the car will not start. We carry the programming equipment with us and handle both types on site — see our new car key service.
Tell us your year, make, and model and we will tell you which key your vehicle uses and what it costs before we start. No hidden fees, no charges added at the end, and no pushing you toward a pricier key than your car actually needs. What we quote is what you pay.
Not sure which key you have, or need another one made? We provide mobile automotive locksmith service throughout the Las Vegas area and come to your location with the right equipment. Call now for a straightforward price, or book online. You can also read about lost car keys.
We bring professional mobile locksmith service directly to your location throughout the Las Vegas area.
Whether you need a replacement car key, spare key, lockout assistance, or ignition service, we’re ready to help where and when you need it.
We come directly to your location with the equipment needed to cut and program car keys on site.
