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Car Key Cutting Explained

Cutting keys for cars is more than just bending a piece metal. It is a complex process that ensures security, functionality and durability of keys.

It is not uncommon to lose your car keys or even have it break in the lock. You'll require an alternative car key to ensure that you can drive your car at all times.

Transponder Keys

If your car was built within the last 20 years, it's likely to have transponder chips. These microchips are situated in the handle of the key and clone transmit a signal to the onboard computers in your vehicle when you use the key. The computer in the car checks the digital serial number of the chip prior to giving the car permission to begin. This prevents car thieves from stealing your car because they'd have to know the unique serial number.

The microchip in the key transmits a low-level signal to the car's receiver. The radio signal activates your microchip that then transmits the code to the computer onboard of the car. The car will only start if it recognizes this code. This will stop "hot wiring" or other methods of stealing cars.

Locksmiths that offer these services can design car keys with chips. Some auto dealers like AutoZone sell keys with chips. These stores have a wide range of keys and will assist you in choosing the appropriate one for your car. They can help you program your vehicle's chip which is needed to operate the device.

You can also get laser cut keys that are more secure than traditional flat keys. These keys are more secure than flat keys because they have a lock that is 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 but is now accessible on many affordable models.

Another type of key for cars that is difficult to duplicate is the VATS (vehicle anti-theft system) key. These keys have a black resistor on the key blade that is programmed with one of fifteen potential values to prevent them from starting a car that it's not designed to. They are expensive and require an instrument for programming keys, which is only available through certain locksmiths.

Keys to VATS

Before the advent of transponder keys and automobiles with built-in computer chips to control the ignition of the car, GM used something called VATS (Vehicle Anti-Theft System). VATS utilizes a standard key with a resistor pellet embedded within it to verify that the correct key is used to start the car. The VATS pellet that is black that is located in the middle of the VATS Key is not an electronic chip that is like those present on modern keys. It's just a block or carbon that is sized to hold an electrical resistance value.

GM employed 15 different resistances for the VATS Pellets. They attached them to key blades in a way that, when the key was turned on, clone the key blades transmit a coded message to module. If the signal matches the signal of the transistor in a VATS pellet, then the relay in starter circuit will be activated and the engine will begin to run. This does not make a car burglar-proof, but it can delay the thief for a minimum of 15 to 20 minutes.

Unfortunately, after a long period of use, the VATS module in your car can begin to wear out. Every time a key is inserted into the ignition it reroutes two small wires inside the ignition, and over time the wires can start to break. When enough wires have been broken the signal is lost to the module and the car won't start.

The good news is that you can fix this issue at home by decoding your own VATS key. It's not difficult to determine the resistance of a key using the 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 can also be a good method to test the new key to determine whether it will work in your vehicle. Be sure to remove the key from the ignition prior to testing it, or else the new key may have an incorrect VATS value and not work in your vehicle.

Smart Key Fobs with Smart Keys

Key fobs today do more than just unlock or start the vehicle. They are also a security device and a burglar deterrent, with a lot of them having advanced features that owners may not even be aware of. They can lock and unlock your door remotely, make chirping noises to help you locate your vehicle in a parking lot or summon it by pressing a button. This is more than you could ever think of from a standard keychain remote. Unfortunately, all that extra capabilities can mean that smart key fobs could be more expensive to replace than standard keychain remotes, and they usually require programming by the dealer.

Some sellers charge as much as $100 for a single smart fob. It's a steep cost to pay for a product that is often tossed around in pockets and purses where it could be damaged, thrown or exposed to extreme temperatures and moisture. Fortunately certain automakers have come up with methods to shield smart key fobs from the most common kinds of electronic attacks, such as relay attacks. These are usually employed in conjunction with remote-start hacks that allow thieves to access your vehicle's settings by transmitting an untrue signal from a nearby transmitter.

To secure a smart card to protect it, you can place it in a metal casing or put it in an RFID blocking case. This will prevent the transmission of these signals. The convenience of the technology is compromised if you need to remove your key fob each time you need to take it out of the protective case.

Fortunately, some of the newer car insurance policies such as auto club memberships and extended warranty coverage will cover the cost of a replacement or pay for the loss of a fob. You can also avoid paying new-car dealer fees by having your fob cloned at a locksmith or hardware store that offers key-fob-cloning services.

For most drivers who want to buy an extra key fob will depend on how important your car's keyless entry and push button starter functions are. It is always advisable to keep a spare fob or key on hand in case you misplace yours. Batteries Plus offers a large selection of replacement fobs that will fit most cars and trucks. Plus, we offer an easy, fast service that costs roughly 50% less than you'd pay at the dealership.

Traditional Keys

The classic car key is a single piece of metal with a series grooves carved into it. These grooves are made to fit specific locks. They can unlock your locks and open the car, as long as you haven't exchanged them for a smart key or remote key. The only drawback to using a traditional car key cut for car is that you must physically insert it into the ignition to start the engine. If your car key is lost or broken you'll need to visit a Gainesville Locksmith to get a new one created.

Depending on how long has passed since the last time you had your keys cut there are a variety of options available for you to pick from when it comes time to get another copy. Certain keys utilize mechanical cutting machines to make copies, whereas others use laser-cut keys made with security features in mind.

Modern keys come with advanced features such as encryption and anti-theft mechanisms. Encryption makes sure that only the right key is used to start your vehicle making it much more difficult for thieves to duplicate keys or pick locks. Transponder chips are an additional security feature that prevents theft. They are incorporated into the key and connect to your vehicle. This makes it only effective only when you're within a specific distance.

If you decide to use a conventional, standard key, a locksmith is able to create a new key with a standard key cutting machine that can be found at the majority of hardware stores. This is less expensive than using a key fob or a transponder key, and you'll be able to use your locks, doors and trunk.

Another alternative is to get car key cut your traditional car key replaced with a laser cut version with a unique pattern. These keys were introduced in the 1990s and are a popular choice for those who want to secure their automobiles. Laser cut keys are usually equipped with transponder chips programmed to work only with your vehicle. If these chips aren't present in your car it won't be able to respond to the signals from the key, and will not start.