Seven Reasons Why Keys Replacement For Cars Is Important
Keys Replacement For Cars
You can buy a replacement key for a mechanical key 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 dealer to pair them with your car. These kinds of keys are usually expensive but some insurance companies will cover the cost.
Mechanical Keys
You can still purchase car keys that are only mechanical, like the ones you insert into an ignition lock cylinder, and turn to start your car. If your car uses one of these, it's relatively cheap to replace the key and fob (if lost or stolen).
A locksmith can cut an entry level key for you at a cheaper price than you would pay at a dealership. You could also have a friend or neighbor that knows how to program transponder keys from the aftermarket (which are less expensive than keys made by the factory) cut keys for you and program them. It is essential to have a spare since modern cars won't be able to start when a key that isn't programmed with the correct chip is used.
Transponder keys look 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 recognize the code in the chip, but it will not start if you choose another code.
If your spare key contains chips, it will need to be programmed by a dealer. They will need to use a specific machine to cut the key and then program it. These machines are only available at certain dealerships, and it's not likely that a locksmith has the equipment needed to create keys that are laser-cut with a transponder.
It's costly to replace keys with remotes, especially if you require a spare. You can try reprogramming your fob yourself if you're only missing the shank of the key and have a working replacement fob, but it can be difficult and time-consuming. If you've lost your entire fob and the key, however you should seek out a dealer as your best bet.
There are other types of keys for cars that require a specialized set of skills to replace, like flip keys and smart keys. They are more complicated and typically need to be replaced at the dealership. Some key fobs are operated by a proximity sensor or a door opener that is spring-loaded.
Transponder Keys
Transponder keys are most likely to be used in vehicles constructed in the past 10 years. The keys have a microchip and a receiver that is programmed to communicate to start your car.
Transponder keys are an excellent way to stop theft because they require two components for the car to start 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.
The key chips are programmed with a serial number that is unique to your vehicle. When the key is inserted into your ignition, the serial number is transmitted to the immobilizer in the car and checked to ensure that it is compatible, it will then allow the engine to start. This security feature can only be overcome by a specific device that can read the chip to match it with a different car.
When you have a transponder key replacement it is necessary to visit an authorized locksmith who has the necessary equipment to reprogram the key to your car. Some car dealerships offer this service as well but they are typically more expensive than a independent locksmith due to their expenses.
It can be difficult to find a new key with chip. The key needs to be cut using a specific machine to ensure that it has the correct tracks in place that can be programmed to assign the key to your car. This requires specialized software and the right key cutter in order to get it done properly.
Many auto parts stores are able to duplicate some of the more basic chips keys, however you will need to know the serial number from the original key in order to ensure that the correct data is incorporated into the key. Many people make the error of going to their dealer to have their chip key copied, and end with a bill that is higher than what they should.
Laser-Cut Keys
Laser-cut keys, also referred to as sidewinder keys because of their distinctive winding cuts to the shank of the key they add a layer of security to your vehicle. car replacement keys like these are a great security measure against theft of your vehicle because they require special equipment to duplicate.
Like transponder keys, they feature built-in chips that block duplicate keys from starting your car. They come with a unique code that must be programmed to your car in order to unlock it and begin it. This extra level of security will safeguard your investment, and deter thieves from attempting to steal your vehicle in exchange for parts or to resell it.
Laser-cut keys differ slightly from mechanically-cut keys in terms of design. They have fewer grooves carved out on the key. The key shaft is more substantial, which is another indication that this isn't a regular car key. Locksmiths typically use a machine called a milling tool to cut these kinds of keys. This tool is similar to a drill, and it's designed to remove metal in very precise angles.
They are the most secure keys you can purchase for your vehicle. They are extremely difficult to duplicate and can only be done be cut by a certified locksmith or dealer. In contrast to traditional keys, they're made using a small piece of steel that's shaped into a code and then cut with a laser at the factory. This type of key is extremely robust and can endure the rigors of wear and tear and is one of the best options for protecting your car.
Depending on the key, it can fold in the fob, or pop out at the touch of the button. Keys like these are commonly used in German cars and offer an additional layer of protection against car thieves. The cylinder is also very tough and difficult to break into, making it very difficult for thieves to pick or pick-lock a vehicle.
Smart Keys
Smart keys communicate with the vehicle via radio-frequency identification (RFID) instead of the conventional single piece of carved metal. They have a chip with an unique code that is encoded on every key. Whenever you unlock your car's doors, or open the trunk the key sends a signal to your vehicle's onboard computer. The computer then triggers the correct frequency and allows you to connect to your car and start it.
The chip of the smart key comes with a variety of security features that protect it from theft. First, the key emits a very low-frequency signal that can't be picked up by any other receiver, not even your vehicle. If the computer onboard detects this signal it will transmit a different one which is a unique code that only your vehicle can comprehend. This will stop a tech-savvy criminal from using a pulse generator to "fool the system" and perform the work on other vehicles.
In addition to locking and starting the car, certain smart keys come with additional features such as storing particular driver preferences, remotely opening windows or the sunroof, and more. These features can be accessed by activating the proximity sensor on the key fob by pressing a button, or, in some instances it is as simple as twisting a tiny piece of metal inside the key.
Most key fobs come with a button that can unlock the doors for themselves, but some have an additional way to open them: a slot or holding the dead key near a spot on the dashboard where it holds an inductive coil that can transfer energy. Some key fobs have an electronic (fully emergency) key blade in the key.
Replace a smart key requires an appointment with a dealer, who can either order the replacement or have it in stock. The dealer will also need to program your new key to identify your vehicle. But, you can visit a locksmith to get your replacement key fob programed and replaced. A locksmith will charge more than a dealer, but they will complete the task faster and cheaper.