Keys Replacement For Cars
You can get the replacement key for a mechanical key in any hardware shop. However, the key will need to be programmed by a locksmith or dealer.
Smart keys are more complicated and require a visit to the car dealer to be paired with your vehicle. These kinds of keys are typically expensive but some insurance companies will cover the cost.
Mechanical Keys
You can still purchase car keys that are only mechanical, the kind that you put into an ignition lock cylinder, and turn to start your vehicle. If your car has one of these, replacing the key and fob is relatively cheap (if they get lost or stolen).
A locksmith can make the basic key for you at a less cost than what you would pay at the dealership. You can also have someone close to you who knows how to program aftermarket transponder keys (which are less expensive than factory keys) cut you a spare key and then program them. It is crucial to have a spare key since modern cars will not start in the event that the key does have the correct chip.
Transponder keys look like mechanical keys, however they are actually equipped with an electronic chip embedded in the bottom of their plastic design that communicates with your car's computer system. The car will accept the code on the chip, but it will not start if you try to use another code.
If your spare key has a chip, you'll need to bring it to a dealer to get it programmed. The dealership will require a special machine for both cutting and programming the key. The machines are available at specific dealerships, and it is unlikely that a locksmith have the equipment needed to create a key that has a transponder.
Keys with remotes are expensive to replace, especially if you need a spare. You could try reprogramming your fob on your own if you're just missing the shank on the key and you have a functioning replacement fob, but it can be time-consuming and difficult. If you've lost your entire key and fob however, a dealer is your best bet.
There are different kinds of car keys that require a specialized set of skills to replace, such as flip keys and smart keys. They are more complex and need to be replaced by the dealer. Key fobs can be operated by proximity sensors or a door opener with a spring loaded mechanism.
Transponder Keys
Transponder keys are likely to be used in vehicles built in the past 10 years. These keys have a microchip in the key itself and an internal receiver in your car which are both programmed to communicate with each other in order to start the car.
Transponder keys are a great way to stop theft because they require two parts for the car to be started that is the transmitter (transponder) inside the key and the receiver that is connected to your immobilizer system. Without both the key and the immobilizer system being present, the car will not start and it will be impossible to hotwire.
Key chips have an individual serial number specific to your vehicle. When the key is inserted into your ignition, the serial number is transmitted to the immobilizer of the car and then verified to make sure it matches up and allows the engine to start. This security feature is only blocked by a specially designed device that reads the chip and match it to another vehicle.
When you get a transponder key replacement you'll need to go to a locksmith that has the tools needed to reprogram the key to your vehicle. Some car dealerships provide this service, but their overhead makes them more expensive than a locksmith who is independent.
It isn't easy to get a new key with a chip. The key needs to be cut using a particular machine to ensure that it has the proper tracks that can then be used to program the key to your car. It requires specialized software and the correct key cutter to cut it correctly.
Some of the simpler chip keys can be cloned at most auto part stores but you must be aware of the serial number of the original key to ensure the proper information is being transferred to the new key. Many people make a mistake going to their dealer for the clone of a chip key only to end up paying inflated prices.
Laser-Cut Keys
Laser-cut keys, also referred to as sidewinder keys because of their distinctive winding cuts in the key shank, add an extra layer of security to your vehicle. Keys like these are a great deterrent to auto theft because they require special equipment to duplicate.
Like transponder keys. They have built-in chips that prevent duplicate keys from opening your car. They have a unique code that must be programmed to your car in order to unlock it and start it. This additional level of security will safeguard your investment, and deter thieves from trying to steal your car 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 shaft of the key is more substantial, which is another indication that this isn't a regular car key. Locksmiths typically employ a machine known as milling tool to cut these kinds of keys. This kind of machine appears similar to a drill bit and is designed to remove metal with extremely precise, controlled angles.
These are the most secure keys you can buy for your vehicle. They're hard to duplicate and must be cut by a certified locksmith or dealer. In contrast to traditional keys, they're constructed from a tiny piece of steel that's made into a code, and then cut with the laser in the factory. This kind of key can endure a lot of wear and tear, and is among the best options for protecting your vehicle.
Depending on the key, it can fold into the fob, or pop out at the touch of a button. These kinds of keys are typically used in German automobiles and provide an additional layer of security against car thieves. The cylinder is robust and difficult to break into, making it extremely difficult for a thief pick or pick-lock the car.
Smart Keys
Smart keys communicate with the vehicle via radio-frequency identification (RFID) instead of the traditional single piece of carved metal. This means that they are equipped with tiny chips that contain an encrypted code that is unique to each key. Whenever you unlock your car's doors or open the trunk key, it sends a signal to your vehicle's computer onboard. The computer will then signal the right frequency that allows you to start your vehicle.
The chip inside the smart key has several security features to guard it from theft. First the key emits a low-frequency signal that can't be detected by any receiver but your car. If the onboard computer detects this signal, it will prompt a different one that is an exclusive sequence that only your vehicle will recognize. This prevents 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 offer specific features, like storing driver preferences remote opening windows, opening the sunroof from afar and many other. These features can be accessed by activating the proximity sensor on the key fob, pressing a button or, in some cases, by twisting a small piece of metal inside the key.
Certain key fobs are opened by holding the dead key in a slot or by placing it next to an inductive coil on the dashboard. replacement key fob car include an emergency (fully mechanical) key blade hidden in the key to enable this.
Replace a smart key requires a trip to the dealer, where they can purchase the replacement or stock it. They'll also have to program the new key to recognize the car you are driving. But, you can visit a locksmith to have your new key fob programmed and replaced. Locksmiths may charge more than a dealer, but they'll likely be able to finish the job more quickly and at a lower cost.