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Car Key Cutting Explained

Car key cut ting is much more than just forming an object of metal. It is a complicated process that guarantees security, function and durability of keys.

It is not unusual to lose your car keys or have them break in the lock. To ensure you're able to always drive your vehicle, you will need to have a replacement key cut.

Transponder Keys

Transponder chips will likely be added to cars that were built in the last 20 years. These chips are tiny microchips located in the handle of your key that send a signal to the vehicle's onboard computer when you use it. The computer onboard checks the serial number digitally of the chip before allowing the car to begin. This prevents thieves from stealing your car because they'd have to know the unique serial number.

The microchip in your car key transmits a low-level radio signal to the car's receiver. This radio signal activates your microchip which then transmits instructions to the onboard computer of the car. The car will recognize this code and will only allow it to start if the key is the right one. This stops the use of "hot wiring" and other methods of taking cars.

Locksmiths that offer these services can design keys for cars with chips. They can also be purchased at certain automotive stores like AutoZone. Those stores carry a huge range of keys and will help you get the right one for your vehicle. They can even help you program the chip to your vehicle, which is required to make it work.

Laser cut keys are more secure than flat keys. They are more secure than flat keys due to the fact that they have locks that are harder to pick. They can only be duplicated with expensive laser key cutting machines, or with specialized software. This type of technology is typically found in high-end vehicles, however it is now available in many affordable models of cars as well.

The VATS (vehicle-anti-theft system) key is a different kind of key that is difficult to duplicate. These keys have a black resistor on the blade of the key that is programmed with one of 15 possible values to stop the car from starting that it's not designed to. These keys are more expensive to buy and require a special key programming machine that is only located at certain locksmiths.

VATS Keys

Before transponder keys or cars that had computer chips built in to control the ignition, GM used a system called VATS (Vehicle Anti-Theft System). VATS utilizes a standard key with a resistor pellet embedded in it to confirm that the correct key is used to start the car. The VATS pellet that is black in the middle of a VATS Key is not a smart chip like those present on modern keys. It is merely carbon or a block which is sized to have an electrical resistance.

GM employed 15 different resistances for the VATS Pellets and connected them to key blades so that, when the key is turned on, the key blades transmit a coded message to the module. If the signal is in line with that of the transistor in a VATS pellet then the relay in the starter circuit will be activated and the engine will start to run. This doesn't make a car secure from theft however it will delay the theft by at most 15 to 20 minutes.

Unfortunately, after a long period of usage, the VATS module in your car could begin to wear out. The two small wires in the ignition move each time a key is placed. As time passes the wires could begin to break. When enough wires have been broken, the signal is lost to the module and the car will not begin.

The good news is that you can solve this issue yourself by decoding your own VATS key. It's not hard to determine the resistance of a key by using a multimeter. You can determine the resistance value by placing one of the leads on the prongs of metal on both sides of your key.

This is a great way to test out a new key and determine whether it will work in your car. Remove the key from the ignition first before you test it. If not the key may have an incorrect VATS and will not function in your vehicle.

Smart Key Fobs with Smart Keys

Key fobs of today do more than just unlock or start the car. They are also a security device and a burglar deterrent, with a lot of them incorporating advanced features that owners may not even know about. They can lock and unlock your door from a distance, make chirping noises to help you locate your car in a lot, or allow you to activate it by pressing a button. This is a lot more than you'd expect from the traditional keychain remote. Smart key fobs are more expensive to replace due to their additional functions. They also have to be programmed at the dealer.

In fact, some retailers will cost upwards of $100 to replace one smart key fob. That's a huge sum to pay for something that spends a lot of its time in purses and pockets which is where it's easily damaged, dropped, or exposed to moisture and extreme temperatures. Certain automakers have developed strategies to protect smart key fobs from common electronic attacks, like relay attacks. These are usually employed in conjunction with remote-start hacks that allow thieves to access the settings of your vehicle by sending an untrue signal from a nearby transmitter.

To safeguard a smart fob to protect it, you can place it in a metal casing or use an RFID blocking case. This will block the transmission of these signals. However, the necessity of removing the key fob from its case that is protected each time you want to use it is not a good way to enjoy the benefits of the technology.

Some newer policies, such as auto club memberships or extended warranties can cover the cost of an additional fob or reimburse you if it gets lost. You can also save money on new car dealership charges and get your fob cut at the hardware store or locksmith that offers key-fob cloning services.

The decision of whether to purchase a new fob is largely based on the importance of your car's keyless entry and start functions. In any case you should have a spare fob or key in case in case you lose it. If you do need to buy a new replacement, Batteries Plus has a vast selection of fobs for most cars and trucks. Additionally, our fast and convenient service costs about 50% less than the price you would pay at a dealership.

Traditional Keys


The classic car key is made of a single piece of steel with a series of grooves cut into it. These grooves are made to fit specific locks. These keys will unlock your locks and start your car, assuming you haven't replaced them with the remote key or smart key. The only drawback to using an old-fashioned car key is that you need to physically insert it into the ignition to start the engine. If your key from the past is lost, broken or stolen, you'll need to visit an Gainesville locksmith to get an alternative one cut from the blank.

You have a few options to select from based on how long it has been since you've cut your keys. Certain keys employ mechanical cutting machines to make copies, whereas others use laser-cut keys that have been specifically designed with enhanced security features in mind.

Modern keys have advanced features such as encryption and anti-theft mechanisms. The encryption makes it difficult for thieves to duplicate keys or pick locks. Transponder chips are another anti-theft device. They are incorporated into the key and can communicate with your vehicle. This makes it only function only when you're within certain distance.

If you opt to use a traditional key, your locksmith can design a new key with a standard cutter machine, which can be purchased from most hardware stores. This is less expensive than an electronic key fob or transponder key, and you'll be able to use your locks, doors and trunk.

Another alternative is to have the traditional car keys replaced with a laser-cut version with a unique pattern. These keys first came out in the late 1990s, and are now a popular option for those looking to provide extra security to their automobiles. Typically, laser cut keys come with transponder chips that are designed to work only for your specific vehicle. If these chips aren't installed in your car it won't be able to respond to the signals coming from the key, and will not start.

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