Car Key Types Explained
Not all car keys are the same. Knowing which type you have helps you understand replacement and why programming matters. Here are the main kinds.
Mechanical keys
The simplest type, a plain metal key that turns the lock and ignition. Common on older vehicles, these usually need only cutting, not programming.
Transponder keys
These have a chip in the head that communicates with the vehicle. The car will not start unless the chip is recognized, so the key must be both cut and programmed.
Remote head keys
A transponder key combined with remote buttons for locking and unlocking. They need cutting and programming, and the remote functions are synced to the vehicle.
Key fobs and remotes
Separate remotes that handle lock, unlock, trunk, and sometimes remote start. These are programmed to the vehicle and often paired with a key or smart key.
Push-to-start smart keys
Proximity keys that let you start the engine with a button as long as the key is nearby. They require precise programming to work safely with the vehicle.
Not sure which you have?
Tell us your vehicle year, make, and model when you call. We will identify the key type and bring the right tools to make and program a replacement on site.
Frequently asked questions
Why do some keys need programming?
Transponder, remote, and smart keys carry electronics the vehicle must recognize. Without programming, a cut key will fit but not start the engine.
Can you make all of these key types?
We make and program most common key types for many makes and models, right at your vehicle.
Need a locksmith right now?
Do not let a lock issue interrupt your day on the island. We are local, fast, and ready to help. Call us directly for service.
912-472-1007
201 McKenzie Ave, Tybee Island, GA 31328