You can get a replacement key for a mechanical one at any hardware store. However, this key must be programmed by a locksmith or dealership.
Smart keys are more complicated and require a visit from the car dealer to be paired with your car. These kinds of keys are typically expensive, but some car insurance companies 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 vehicle is equipped with one of these, it's relatively cheap to replace the fob and key (if lost or stolen).
A locksmith can make you a new basic key for less than you would buy from a dealer. You could also ask someone close to you who knows how to program aftermarket transponder keys (which are cheaper than keys from factory) cut keys for you and program them. A spare key is crucial because modern cars won't begin when a key that isn't programmed with the proper chip is used.
Transponder keys appear like mechanical keys, however they have a hidden electronic chip embedded in the bottom of their plastic form that communicates with the computer system in your vehicle. The car will accept the code on the chip, but will not start if you choose another code.
If your spare key has a chip it must be programmed at a dealership. The dealership will need an exclusive machine for cutting and programming the key. The machines are available at certain dealerships and it is unlikely that a locksmith have the tools needed to make a key using a transponder.
It is expensive to replace keys with remotes, especially if you require a spare. If you only have the key shank missing, and a functioning replacement fob you can try to reprogramme your fob on your own. However, it could be time-consuming and complicated. It's better to go to a dealer in the event that you've lost both the fob and the key.
There are replacement car key cost of car keys that require a more specific set of skills to replace, for example flip keys and smart keys. They are more complicated and are usually replaced at the dealership. Certain key fobs come with a spring-loaded key that folds into the enclosure and opens doors or is operated by the use of a proximity sensor to open and start your car.
Transponder Keys
If your car was constructed in the recent 10 years or so it's likely to have a transponder key system. These keys contain a microchip and the receiver is programmed to communicate to start your car.
Transponder keys are an excellent way to discourage theft because they require two parts in order for the car to be able to start which is the transmitter (transponder) in the key and the receiver that is connected to your immobilizer system. The car won't start without the key and the immobilizer system.
The key chips come with an unique serial number that is specific to your vehicle. When the key is inserted into the ignition, the serial number is then sent to the cars immobilizer and verified that it is in line, it will then allow the engine to start. This security feature can only be defeated by a special device that reads the chip to match it with a different car.
If you need a transponder key replaced it is necessary to visit an locksmith with the necessary equipment to reprogram the keys to your vehicle. Some car dealerships offer this service, however their overheads make them more costly than an independent locksmith.
It isn't easy to find an entirely new key that has a chip. To program your car, the key has to be programmed on a special machine. It requires specialized software, as well as the right key cutter to do it correctly.
Some of the less complicated chip keys can be copied at a variety of auto parts stores, but you need to know the serial number of the original key to ensure that the proper information is being programmed into the new key. Many people make a mistake going to their dealer in search of the clone of a chip key only to end up paying inflated prices.
Laser-Cut Keys
Laser-cut keys are also known as a sidewinder keys due to the distinctive winding cut that is made on the key shank. They add an additional layer of security to your car. Because it requires specialized equipment to duplicate these keys, they're an excellent protection against auto theft.
They also come with built-in chips to stop 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 to your specific car in order to unlock it and start it. This additional layer of security is a great method to safeguard your investment and deter thieves who may be trying to steal your car for parts or to sell it on.
Keys cut with lasers differ slightly from mechanically-cut keys in terms of design. They have fewer grooves that are carved on the key. The key shaft is also more substantial, which is another indication that this isn't a standard car key. Locksmiths generally use a machine called a milling tool to cut these kinds of keys. This kind of tool looks like a drill and is designed to remove metal with extremely precise controlled angles.
They are the most secure keys that you can purchase for your vehicle. They are difficult to duplicate and can only by cut by a certified locksmith or dealer. Unlike traditional keys, they're constructed from a tiny piece of steel that is shaped into a code and then cut with a laser in the factory. This type of key is very durable and is able to be able to withstand the rigors of wear and tear, making it one of the best options to protect your car.
Depending on the key, it could fold in the fob or pop out by pressing a button. Keys like these are commonly used in German automobiles, and offer an additional layer of protection against car thieves. They also make it extremely difficult for a thief to pick your vehicle or pick-lock it because the cylinder is extremely durable and difficult to break into.
Smart Keys
Unlike the traditional single piece of carved metal smart keys utilize radio-frequency identification, or RFID, to communicate with the car. They have a chip with an individual code, which is encoded on every key. Whenever you unlock your car's doors or open the trunk the key transmits a signal to your vehicle's computer onboard. The computer will then signal the appropriate frequency to allow you to start your vehicle.
The chip of the smart key comes with a variety of security features that guard against theft. First, the key emits a low-frequency signal that can't be received by any receiver but your car. If the computer onboard detects this signal it will transmit a different one which is a unique code that only your car is able to understand. This stops a tech-savvy criminal from using a pulse generator in order to "fool the system" and perform the work on other vehicles.
Some smart keys have special features, such as the ability to store preferences for drivers, opening windows remotely or the sunroof remotely and many other. These functions can be accessed by activating the proximity sensor on the key fob by pressing a button or, in some instances you can do this by twisting a small piece of metal inside the key.
Certain key fobs are opened by placing the dead key in a slot, or by placing it near an inductive coil on the dashboard. Some key fobs feature an electronic (fully emergency) key blade that is inside the key.
Replacing a key with a smart chip typically requires a visit the dealer, who will either have the replacement in stock or order it for you. The dealer will also need to program the new key to recognize your car. You can visit a locksmith to get your new key fob programmed and replaced. A locksmith might charge more than the dealer, but they'll be able to complete the job quicker and at a lower cost.
