Keys Replacement For Cars
If you have a basic mechanical key it is likely to purchase a replacement from any hardware store for relatively inexpensive. The key must be programmed either by a dealership or locksmith.
Smart keys are more complicated and require a visit to the dealer for the keys to be paired with your vehicle. These types of keys are typically expensive however some insurance companies will cover the cost.
Mechanical Keys
You can still purchase mechanical car keys, the ones that you insert into the ignition lock cylinder to start your car. If your car is equipped with one of these, replacing the fob and keys is relatively inexpensive (if they get lost or stolen).
A locksmith can design an original key at a lower cost than what you buy from a dealer. You can also have someone close to you who knows how to program transponder keys that are made for the aftermarket (which are less expensive than keys from factory) cut keys for you and have them programmed. Getting a spare is important because modern cars won't start when a key that isn't programmed with the proper chip is used.
Transponder keys look like mechanical keys, however they have a hidden electronic chip embedded in the bottom of their plastic design that communicates with your vehicle's computer system. Your car will recognize the code contained in the chip and accept it, but it will refuse to start if any other code is utilized.
If your spare key is equipped with a chip, you'll need to bring it to a dealership to have it programmed. The dealership will require an equipment that is specifically designed for cutting and programming the key. These machines are only available at specific dealerships, and it's unlikely that a locksmith has the equipment required to create an engraved key using a laser transponder.
It's costly to replace keys using remotes, particularly if you require a spare. You can try reprogramming your fob on your own if you're just missing the key shank and have a functional replacement fob, but it could be time-consuming and difficult. If you've lost the complete key and fob, however it's best to contact a dealer as the best option.
There are other types of keys for cars that require a more specialized set of skills to replace, like flip keys and smart keys. These are more complex and usually have to be replaced at the dealership. Some key fobs feature a spring-loaded key that folds into the enclosure and opens a door, or they're operated with the use of a proximity sensor to open and start your vehicle.
Transponder Keys
Transponder keys are likely to be used in cars built in the past 10 years. The keys are equipped with a microchip and the receiver is programmed to communicate with start your vehicle.
Transponder keys are an effective method of preventing theft since they require two elements to start the car - the transmitter contained in the key, and the receiver connected to the immobilizer. The car won't start without the key and immobilizer system.
The key chips are programmed with a unique serial number that is unique to your vehicle. The serial number of the key is sent to the immobilizer of the car and checked to be in line. If it does, the engine will start. The only thing that can be a hindrance to this security feature is a special device that is able to detect the chip and match it with another vehicle.
You'll require an locksmith with the tools to reprogram your key. Some car dealerships provide this service, but their overhead makes them more expensive than a locksmith who is independent.
It isn't easy to find an entirely new key that has chip. The key must first be cut using a particular machine in order to have the proper tracks that can then be used to program the key to your car. This requires specialized software and the right key cutter to be done correctly.
Some of the simpler chip keys can be copied at a variety of auto parts stores, but you must know the serial number of the original key to ensure the correct information is transferred to the new key. Many people make a mistake visiting their dealer to purchase a copy of a chip key only to end up paying overpriced costs.
Laser-Cut Keys
Laser-cut keys are also referred as a sidewinder keys due to the distinctive winding cut on the key shank. They add an additional layer of security to your vehicle. Keys like these are a great deterrent to auto theft because they require specialized machinery to duplicate.

They also come with built-in chips to prevent the copying of keys by unauthorized people from starting your car. They also usually have a unique code on the key, which needs to be programmed for your specific car in order to unlock and start it. This additional level of security will guard your investment and stop thieves from attempting to steal your vehicle for parts or to resell it.
Laser-cut keys differ slightly from mechanically cut keys in terms of design. They have fewer grooves cut on the key. The key shaft is more substantial, which is another indication that this isn't a regular car key. Locksmiths usually use a milling machine to cut keys. This machine is similar to a drill, and it's designed to remove metal at precise angles.
These are some of the most secure keys you can get for your car, because they are extremely difficult to duplicate and only cut by the dealer or a certified locksmith. Unlike traditional keys, they're made from a small piece of steel which is made into a code, and then cut using the laser in the factory. This kind of key is extremely durable and is able to endure the rigors of wear and tear and is one of the best options for protecting your vehicle.
Depending on the key, it can fold into the fob or be released by pressing the button. The keys are typically used in German cars and offer an extra layer of protection against car thieves. They also make it difficult for thieves to pick your vehicle or pick-lock it, as the cylinder is extremely rugged and is difficult to break.
Smart Keys Keys
Contrary to the conventional single piece of metal, smart keys use RFID, also known as radio-frequency identification, to communicate with the car. They are equipped with a chip that has an unique code that is encoded on each key. The key sends a message to the computer onboard of your vehicle every time you open the doors or open the trunk. The computer then signals the correct frequency and allows you to connect to your car and start it.
The chip inside the smart key is equipped with several security features to guard it from theft. First the key emits a low-frequency signal that can't be picked up by any receiver but your car. If the computer onboard detects this signal, it will trigger a different one that is a unique sequence that only your vehicle can understand. This will stop a criminal with a high-tech background from using an external generator to "fool" the system and perform the work for other vehicles.
Some smart keys offer specific features, like saving preferences for drivers remote opening windows, opening the sunroof via remote and many more. automotive key replacement can be accessed by activating the proximity sensor on the key fob by pressing a button, or, in certain instances you can do this by twisting a small piece of metal inside the key.
Some key fobs can be opened by holding the dead key in a slot or by placing it in proximity to an inductive coil on the dashboard. Some even come with an emergency (fully mechanical) key blade hidden in the key to allow this.
Replacing a smart lock requires an appointment with a dealer, where they can purchase the replacement or stock it. They'll also need to program the new key to recognize your vehicle. You can also go to a locksmith for your replacement key fob to be programmed and then replaced. A locksmith may charge more than a dealer, but they'll be able to do the job more quickly and less expensively.