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Ten Keys Replacement For Cars Myths That Aren't Always True
Keys Replacement For Cars

You can buy the replacement key for a mechanical one at any hardware store. The key needs to be programmed either by a dealership or locksmith.

Smart keys are more complicated and require a visit to a dealer for the keys to be paired with your car. These types of keys can be costly but some insurance companies cover the cost.

Mechanical Keys

You can still purchase mechanical car keys such as the ones you put into an ignition lock cylinder to start your vehicle. If your car is equipped with one of these keys, replacing the fob and key is relatively inexpensive (if they're lost or stolen).

A locksmith can make a basic key for you at a less cost than what you'd pay in the dealership. You can also ask a neighbour or friend who knows how to program transponder keys aftermarket (which are less expensive than factory keys) to cut you a spare and then program it. It is essential to have a spare since modern cars won't be able to start when a key is not programmed with the proper chip is used.

Transponder keys look a lot like mechanical keys, but they contain a hidden electronic chip inside the base of their plastic shape that communicates with the computer system in your vehicle. Your car will accept the code that is on the chip, but it will not start if you use another code.

If the spare key you have has a chip it must be programmed at a dealership. They'll require an equipment that can cut the key and then program it. These machines are only available at specific dealerships, and it's unlikely that a locksmith will have the equipment required to create an engraved key using a laser transponder.

It's expensive to replace keys with remotes, especially if require a spare. Try reprogramming the fob by yourself if you're missing the shank on the key and you have a working replacement fob, however it can be difficult and time-consuming. It's better to go to an authorized dealer when you've lost the key and the fob.

There are other kinds of keys for cars that require a specialized set of skills to replace, such as flip keys and smart keys. They are more complicated and typically need to be replaced at the dealership. Some key fobs have a spring-loaded key that folds into the enclosure and opens doors or is operated by a proximity sensor to open and start your car.

Transponder Keys

Transponder keys will likely be used in vehicles built within the last 10 years. These keys contain a microchip and the receiver is programmed to send a signal to start your vehicle.

Transponder keys are a great way of deterring theft, as they require two parts to start the car: the transmitter inside the key, and the receiver connected to the immobilizer. The car will not start without both the key and immobilizer system.

Key chips have an individual serial number specific to your vehicle. When the key is inserted into the ignition, the serial number is sent to the immobilizer of the car and verified that it is compatible and allows the engine to run. The only thing that can be a hindrance to this security feature is a device that is able to read the chip and match it with another vehicle.

You'll have to find a locksmith who has the tools to reprogram your key. Some car dealerships also offer this service, however their overhead makes them more expensive than an independent locksmith.

It isn't easy to get a new key with a chip. To program your car, the key has to be programmed on a specific machine. It requires specialized software, and the correct key cutter to do the job properly.

Most auto parts stores can duplicate some of the more basic keys for chips, but you must know the serial number of the original key to ensure that the correct data is programmed into the key. g28carkeys make a mistake going to their dealer in search of a copy of a chip key and end up paying high costs.

Laser-Cut Keys

Laser-cut keys are also known as sidewinder key because of the distinctive winding cut on the shank of the key. They add an additional layer of security to your vehicle. Because it takes specialized machinery to duplicate these keys, they're a fantastic protection against auto theft.

Like transponder keys, they feature built-in chips that block unauthorised copies of keys from opening your car. They come with a unique code that needs to be programmed into your car to unlock it and begin it. This extra level of security will safeguard your investment, and deter thieves from attempting to steal your car for parts or to sell it.

Keys cut with lasers differ slightly from mechanically cut keys in terms of design. They have fewer grooves carved out on the key. The shaft of the key is more substantial, which is another indication that this isn't an ordinary car key. Generally, locksmiths employ a machine known as milling tool to cut these kinds of keys. This type of machine looks similar to a drill bit and is designed to cut metal at extremely precise, controlled angles.

They're among the most secure keys you can buy for your vehicle, since they are extremely difficult to duplicate and can only be cut by the locksmith who is a certified dealer. They're not like traditional keys. They're made using a small piece of steel that is cut into a shape and then cut using a laser at the factory. This type of key is extremely durable and can stand up to a lot of wear and tear which makes it one of the best options for protecting your car.


Depending on the key, it will fold in the fob or be released at the touch of a button. Keys like this are typically used in German cars and offer an extra layer of security against car thieves. The cylinder is tough and difficult to break into, making it extremely difficult for a thief pick or pick-lock the car.

Smart Keys Keys

Smart keys communicate with the vehicle via radio-frequency identification (RFID) instead of the conventional single piece of carved metal. This means they come with tiny chips that contain an encrypted code that is unique to each key. The key transmits a message to the onboard computer in your vehicle every time you open the doors or open the trunk. The computer will then prompt the correct frequency to allow you to start your vehicle.

The chip of the smart key includes a variety of security features to guard against theft. The key emits an extremely low-frequency signal, which will only be detected by your vehicle. If the computer onboard detects this signal, it will display a different one that is an exclusive sequence that only your vehicle can understand. This will stop a tech-savvy criminal from using a pulse generator to "fool the system" and do the key work on other vehicles.

Some smart keys have special features, like storing driver preferences and opening windows remotely, or the sunroof via remote and many more. This can be accomplished by activating the key's proximity sensor by pressing a button on the key or, in some cases, twisting a small metal piece inside the key.

Certain key fobs are opened by placing the dead key in a slot, or by placing it near an inductive coil that is located on the dashboard. Some even include an emergency (fully mechanical) key blade that is hidden inside the key to activate this.

To replace a smart key, you'll need an appointment with a dealer, who will either order the replacement or have it on hand. The dealer will also need to program your new key so that it recognizes your car. However, you can also visit a locksmith to have your replacement key fob programed and replaced. A locksmith may charge more than the dealer, but they'll likely be able to complete the job faster and at a lower cost.

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