Programming Car Keys
Key programming is a process that has become more important as cars have become more electronic. It can generate an enormous amount of money. Many shops do not offer this service.
Modern keys and fobs do more than just start the car - they also unlock the rear hatch and protect the vehicle from physical and digital attacks. This is why you need to be capable of programming them.
What is a transponder?
Transponder keys are car key with an additional anti-theft security measure integrated into it. This is achieved by incorporating the radio frequency identification microchip in the plastic head of the key. The chip is used for relaying a signal the vehicle's immobilizer during starting of the ignition. This chip blocks hot-wiring and makes it very difficult to steal a vehicle.
This is not to say that transponder keys are foolproof, because even though they provide an additional layer of security it does not mean that a criminal is unable to employ their skills to gain entry into a vehicle. It just means that it takes them longer and more effort to accomplish this which is why this security feature is an enormous benefit to anyone who is concerned about the safety of their vehicles.
The way in which the transponder key functions is very simple. The microchip in the plastic head of the key is programmed with a specific digital serial number that correlates to the immobilizer system in your vehicle. When you insert the key into the ignition the immobilizer system will detect the serial number and verify it. If it matches, the engine will start and if not the car will not start.
There are a variety of transponder chips that can be programmed. The kind of chip your vehicle is using will determine the type of key you own. You can find the right transponder chip to match your vehicle by using a search engine or visiting an expert locksmith and asking them to tell you what kind of key you own.
Transponder keys are more expensive to replace because of the microchip. The dealership for your vehicle will be the most costly option for getting a replacement key due to the highest overhead costs, but you can also seek out a professional locksmith to get your new key.
Another important thing to be aware of is that you can only program the transponder key in the event that it hasn't been cut previously. You can do it yourself if purchase an transponder from one the stores that offers these services. But, you'll require a specific tool in order to accomplish this job.

What is the procedure for programming a transponder key?
A car key that has a chip in it is a kind of transponder key. They are designed to stop auto theft by ensuring that only the right key is used to start the car. A locksmith can create a new key for you in the event that you've lost yours, or if the chip has been damaged in some way. Most of the time the process of programming the chip key is easy and straightforward. Certain vehicles require special equipment for programming the key.
To begin, you must first determine the type of key you have. To ensure you have the correct key blank it is important to know your vehicle's model, year, and make. Some keys have the transponder inside the key head while others do not. If your key is equipped with a chip, the bow cover (the part of the plastic that is on the top of the key) will be heavier than on a chip-free key. You can also tell if your keys have chips by examining the ignition. If it has a push to start button instead of a key hole it's probably a key that has a chip.
The next step is to choose the method of programming to be employed. Some transponder keys can be programmed using onboard diagnostics while others require a specific key programming device. The key programming device has to be compatible with the circuit board key that is being utilized, and must also operate at the same frequency as the car's on-board computer.
It's tempting to save money by programming a transponder yourself but this is risky. If you do not follow the proper procedure you could damage the information on your chip and make it impossible to start your vehicle. This is why it is best to hire a licensed professional who has access the right tools and know-how to properly program your key. It is a good idea when you have keys, to make additional keys to replace them quickly and easily if you lose one.
How do I program a transponder key?
You must program the chip in the head of the car key if the vehicle is operated by a transponder. This can be a challenge, especially in the event that your keys are lost or damaged. In some instances, you may be able to start your car without the transponder chip, however this isn't recommended and could lead to problems. In these instances you should contact an expert locksmith or a car dealership to resolve the issue.
You need the right tools to program a transponder. Also, you must know the correct procedure. Transponder keys typically come with an antenna ring on their head that transmits radio frequency energy to a chip within. The chip responds with an identification code to the antenna ring. Once the transmission is received the ignition system will detect that the key is placed in the key and activate.
You can do this at home if you have the right equipment and knowledge of the process for your particular vehicle. Many manufacturers have their own programming method, which may require specific supplies. You should be aware that programming will require a long battery life. If your battery is dead, you will need to start the process again.
A majority of people will employ a professional to do this. Programming a transponder key correctly will not only make sure that your vehicle is safe to drive, but can also save time and money.
Follow the steps below to program a new key that will work with an older one. You must use the transponder key programer that is compatible with the vehicle model you have. For the best results, you should adhere to the instructions on the device. Some car models use special technology that requires a dealer to design the key. This is not the case for the majority of vehicles. The process should be straightforward and quick if you own the correct key and necessary equipment.