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Car Key Cutting Explained

Cutting the car key is more than just bending metal. It is a sophisticated procedure that ensures security, efficiency and long-term use of the keys.

It is not unusual to lose keys to your car, or have them break through the lock. You'll need a new car key in order to ensure that you are able to drive your vehicle at all times.

Transponder Keys

If your car was built within the past 20 years, it is likely that it has transponder chips. These microchips are located in the handle of the key and transmit a signal to your vehicle's onboard computers when you turn the key. The onboard computer examines the serial number of the chip before it allows the car to start. This stops thieves from hijacking your vehicle since they'd need to know the unique serial number.

The microchip in your car key sends an unintentional radio signal to the car's receiver. The radio signal activates the microchip, which then transmits an informational code to the car's onboard computer. The car will only begin if it recognizes this code. This stops "hot wiring" or other methods to steal cars.

Locksmiths that offer these services can make keys for cars with chips. Some car dealers, like AutoZone sell keys with chips. These stores have a wide variety of keys and can assist you in selecting the best one for your vehicle. They can assist you in programming your car's chip, which is required to use the device.

Laser cut keys are more secure than flat keys. They have an cylinder for locking that is much more difficult to pick, and they can only be duplicated using expensive laser key cutting machines or with special software. This technology is more prevalent in high-end cars, but it is now accessible in many affordable models of cars too.

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 them from starting a car that it's not meant to. These keys are expensive and require the use of a key programming machine which is only available at certain locksmiths.

Keys to VATS

Before the days of transponder keys and cars equipped with computer chips that 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 inside it to confirm that the correct key is used to start the vehicle. The VATS pellet in black in the middle of a VATS Key is not a smart chip as found on most modern keys. It is merely carbon or a block which is sized to hold an electrical resistance value.

GM employed 15 different resistances for the VATS Pellets and attached the key blades to them so that when the key is turned on, a coded signal is sent to module. If the signal matches the resistance value of the transistor in the VATS pellet the relay in the starter circuit is activated and the engine will start to run. This doesn't make a car secure from burglary, but it can delay the thief for a minimum of fifteen to twenty minutes.

Unfortunately, after a long period of use, the VATS module in your car may start to wear out. The two wires inside the ignition are moved each time the key is placed. As time passes the wires could start to break. Once enough wires are broken, the signal is lost to the module and the car will not start.

You can resolve this issue at home yourself by decoding your VATS key. It's not hard 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 made of metal on both sides of your key.

This method can also be a good method to test a new key to see whether it will work in your vehicle. Make sure you remove the key from the ignition prior to testing it, or else the new key could be displaying an incorrect VATS number and will not work in your car.

Smart Key Fobs

Key fobs of today do more than just unlock or start a car. Many of them have advanced features that a lot of owners are unaware of. They can be used as a security gadget or as a deterrent to theft. They can lock and unlock your door from a distance and make chirping sounds to help you locate your vehicle in a parking lot or summon it by pressing a button. This is more features than you obtain from a traditional keychain remote. Smart key fobs are more expensive to replace due their extra functionality. They also need to be programmed at the dealer.

Some dealers charge up to $100 for a single smart fob. It's a huge price to pay for a device that's often jostled in purses and pockets where it could be damaged, dropped, or exposed to extreme temperatures and water. Fortunately there are automakers who have developed ways to protect smart key fobs from common types of electronic attacks like relay attacks. These are often combined with remote start hacks which allows thieves to access your vehicle's settings through the transmission of a fake signal by another transmitter nearby.

One method to safeguard a smart key fob is to put it in a metal case or a dedicated RFID blocking case that blocks the transmission of these signals. However, the necessity of removing the local key cutting fob from its case that is protected each time you need to make use of it is a hassle and a detriment to the efficiency of the technology.

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

For the majority of drivers who are buying an extra key fob will depend on the importance of your car's keyless entry and push-button starter functions are. You should always keep an extra key or fob in case you misplace yours. Batteries Plus offers a large choice of replacement fobs that fit most cars and trucks. Plus, we offer an easy, fast service that costs roughly 50% less than you'd buy from a dealership.

Traditional Keys

The car key of old is a single piece of metal with a series of grooves carved into it. These grooves are designed to fit certain locks. These keys will unlock your locks and also start the car, assuming you don't swap them out for a smart key or remote key. The only drawback to using a traditional car key is that you have to physically insert it into the ignition to start the engine. If your traditional key is lost, broken or stolen, you'll have to visit an Gainesville locksmith to get new keys cut from the blank.

Based on the amount of time that has passed since you last cut your keys there are a variety of options to choose from when it comes to getting another copy. Certain keys are cut with mechanical machines or lasers, while others are cut with enhanced security features.

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 an additional security feature that prevents theft. They are incorporated into the key and can communicate with your vehicle. This means that they only effective only when you're within certain distance.

If you decide to make use of a traditional key, your locksmith can create a new key with an ordinary cutter machine that is available at most hardware stores. This is cheaper than a key fob or a transponder. you are still able to operate your trunk, locks, and doors.

You could also replace your traditional keys for your car with a laser cut version that has an unique pattern. The first keys of this kind were released in the early 1990s and are a popular choice for those looking to secure their automobiles. Laser cut keys typically have special transponder chips that are designed to work only for your specific vehicle. If these chips aren't present in your vehicle they will not respond to the signals transmitted by the key.