15 Shocking Facts About Car Key Programmed You Didn't Know

· 6 min read
15 Shocking Facts About Car Key Programmed You Didn't Know

Why Get Your Car Key Programmed?

Many people need to get their car keys programmed. If you have kids that press the button too often or you've lost your keys, then the remotes need reprogramming.

Some dealerships and auto locksmiths have the tools needed to complete this task. They can also clone your current key if possible.

Transponder Keys

Transponder keys can also be referred to as chip keys or smart key. Transponder keys are equipped with a microchip that can store and send information, which can help prevent your vehicle from being stolen. The microchip transmits a unique identification code every when the key is inserted into the ignition. Once the ID code matches in the car's computer the immobilizer is removed and the engine will start to run.

This is a better security measure compared to non-transponder keys, which do have a chip, and is not compatible with the anti-theft system in the majority of modern automobiles. Transponder chips have been implemented to help reduce thefts from cars. They have proven to be an enormous success.

The transponder of the car key will flash when the key is inserted into the ignition. This small antenna, dubbed an "inductive coil" is located on the key. The transponder then transmits an radio frequency signal that contains an unique "password". This is transmitted to the anti-theft system in your vehicle. If the password is correct, your car will turn off its immobilizer and allow you to start the engine.

If the password is not correct the immobilizer stays in effect and the engine will not start. This is a great method to stop car thieves since even the case that a duplicate key could be made, the thief won't have the code to trick your vehicle into starting.

Transponder keys can't be used with mechanical keys. These car keys are operated by physically moving lock mechanisms on doors or the ignition cylinder. For example the VATS system of GM (Vehicle Anti-Theft System) is a system that requires the right amount of resistance to turn the cylinder.

This traditional non-transponder key can be duplicated by a locksmith. However,  how to reprogram car key  would have to manually move locks to start the car and require a transponder programing tool to do so. This is one of the main reasons that it is advised to contact a professional car locksmith such as Pop-A-Lock whenever you need a new transponder keys cut or a car key programmed.

Electronic Key Fobs

A key fob emits a signal which activates the locking system of your car that allows you to open the door and enter your vehicle. Depending on the features of your vehicle you can also control the trunk and alarm. The microchip on the fob transmits codes that are then interpreted by the receiver. The code corresponds to an exact frequency. If the reader detects this frequency, it will issue a command to the lock.

If you're using fobs for commercial purposes the fob can be integrated into an existing security system. This can add additional levels of protection. Fobs are immediately blocked if they're stolen or lost, adding an extra layer of security to a business. A key could fall off a desk in an office that is crowded and taken home uninvited. Fobs can also be cloned to create copies that are not authorized and contain your security codes. This leaves your vehicle vulnerable to intrusion by anyone else.

Fobs are extremely convenient and can be used to open your doors without the need for a traditional key. It isn't difficult for the average person to program a fob even though it requires some technical expertise. Fobs are usually programmed using an application that is specifically designed for this purpose or by following the instructions in the user manual of the vehicle.

The key fob reprogramming process is similar across most models, and you will typically find the details about your particular model in the owner's manual or on the website of the manufacturer. It is crucial to note that these steps might not work for all models. If you have any problems, you should consult your dealer or call a locksmith.

Begin by getting into your driver's seat, holding the key fob you wish to reprogram in your hands. Ensure that your door is closed and that there aren't any other keys in your ignition. Press and hold the fob's lock for a few seconds until you hear the chime, or the sound of the locks turning. This indicates that you've entered the mode of programming. Repeat these steps as needed to program other fobs.

Enhanced Security

With transponder keys, car owners get another layer of security that isn't always available with traditional key fobs. Transponder keys are less likely to be stolen by thieves because the chip can only match the code with the immobilizer on your vehicle. If it fails to do so, the vehicle will refuse to start, making stealing your car much more difficult.

Modern transponder keys don't include a chip inside the lock, but instead in a specific part of the key. When you insert the key into the ignition, a radio signal is sent to the transponder. If the code is correct, it will match with the correct one in the immobilizer on your vehicle and the car will be permitted to begin. In essence, modern keys have to be programmed correctly in order to work correctly.

While you may be able to reprogram your car keys by yourself, this process is extremely risky and should be handled only by professionals. Untrained people often discover that their key does not perform as expected or damages the immobilizer on the car when they attempt this. A reputable locksmith or car dealer will have experience with these situations and be able to assist you in the most efficient way.

Beyond this, many advanced anti-theft systems depend on the correct programming of your keys to function properly. You should have your keys reprogrammed as soon as possible after you have lost them or have lost them to ensure that thieves won't be able to gain access to your vehicle.


The benefits of personalized key programming for owners of cars in Philadelphia are increased security and convenience. Nonstop Locksmith 24/7 can help you safeguard your vehicle from theft and unauthorised use. Key programming for your car is the first line of defense against these problems, so don't be afraid to call them now.

Getting Started

The name implies, car key programming is a method of synchronizing a car key to a vehicle so that the car recognizes it as being authorized. This means that once the key is inserted, it transmits an electronic serial number to the car's onboard computer system which then allows the car to be unlocked. It is considered to be a helpful method to prevent theft of autos as if the car key is not properly programmed, it will not allow the vehicle to start.

There are a few options available for getting your car keys programmed including going to your local dealership or your vehicle manufacturer. However they are usually costly and require a considerable amount of time. You can also go to an auto locksmith. They will have all the tools and expertise needed to program any car key, whether it's the latest smart key or an older remote key. They are able to work quickly, which is essential in an urgent situation.

Some people may decide to modify their car keys, but this is not a good idea. It's difficult to know which of the many methods that are available will actually work, and it's very easy to make mistakes that could harm the car's computer system. In addition, many of the tools used in programming cars are extremely sophisticated and expensive which makes them difficult to use for the average person.

Another thing to consider is that, based on the vehicle, it's often not possible to reprogram a lost or stolen key. This is because the original key has a distinct microchip that is linked to specific information about the vehicle. Reprogramming an original key that was stolen or lost will not change any of the information it contains. The vehicle will therefore not recognize it as a valid key.

If you're shopping for a new car you should consider having it programmed with a transponder key as soon as possible. This will ensure that your new car is as secure as possible and is much cheaper than replacing a stolen key.