Programming Car Keys
As cars have gone more electronic, key programming has become an essential service that can generate significant revenue. But many shops don't provide this service.
car key programming and fobs can perform more than just starting the car - they also unlock the rear hatch and protect the vehicle from physical and cyber-physical attacks. You must know how to program them.
What is a transponder?
A transponder car key is a key that comes with a security feature to prevent theft included. This is achieved by incorporating an RFID microchip into the plastic head portion of the key. This chip is used to relay a signal to the immobilizer system of your car when the ignition is turned on. This chip blocks hot-wiring and makes it very difficult to take the vehicle.
This is not to say that transponder keys are foolproof however, even though they add an extra layer of security it does not mean that criminals can no longer utilize their expertise to gain entry into the vehicle. It takes a lot more time and effort to do this and that's why it is a great security option for anyone who is concerned about the safety of their vehicle.
The way transponder keys function is quite simple. The microchip that is inside the plastic head of the transponder key is programmed with a unique digital serial code that is linked to the immobilizer in your vehicle. When you put the key in the ignition, the immobilizer system will recognize the serial number and confirm it. If it is in fact the same the serial number, the engine will begin and if not, the car will not start.
There are car key programming of transponder chip that can be programmed. The kind of chip your vehicle uses will determine the kind of key you own. You can find the right transponder chip for your vehicle by using a search engine or going to a professional locksmith and asking what type of key you have.
In general transponder keys tend to be more expensive to replace than non-transponder keys as they have the added expense of the microchip. The dealership that sells your vehicle is the most expensive alternative to replace your keys, as they have the highest cost of overhead. However, you can also go to locksmiths to purchase a new key.
Another important thing to remember is that you are able to program the transponder key when it has not been cut before. You can do it yourself if purchase a transponder from one of the stores that provide these services. However, you will require a specific tool to complete the task.
What is the procedure for programming a transponder?

A car key with a chip in it is a kind of transponder key. They are designed to stop auto theft by making sure that only the correct key is able to start the car. A locksmith can program a new key for you in the event that you've lost yours, or the chip is damaged in some way. In the majority of cases, the process for programming the chip key is simple and straightforward. Certain cars require special equipment to program the key.
The first step is to determine the type of key you have. To ensure that you have the correct key blank, it is essential to know the model, year, and make. Certain keys have a transponder inside the head of the key, while others don't. If your key has a chip and the bow cover (the plastic section that sits on top of the key) will be thicker than on a non-chip key. You can also determine whether your keys have chips by looking at the ignition. If your key has a button to start instead of a hole, it could be a chip.
The next step is to decide the method of programming to be used. Some transponder keys are programmed with on-board diagnostics, however, others require a key programming device. The key programming device should be compatible with the transponder/circuit key on the board being used, and it must also operate at the same frequency as the vehicle's on-board computer.
While it's tempting to save money by trying to program a transponder key yourself, this is very risky. If you do not follow the proper steps you could damage the data on the chip, making it impossible for you to start your vehicle. It is best to have your key programmed by a professional who has the tools and expertise necessary to do so. It is a good idea, when you have keys, to make additional keys to replace them quickly and conveniently if you lose one.
How do I program my transponder key?
If your vehicle operates with a transponder key, you must program the chip inside the head of the car key to start it. This procedure can be difficult particularly in the event that your keys are lost or damaged. In some cases you might be able to start the vehicle without the transponder chip but this is not recommended and could lead to problems. In such cases you should contact an expert locksmith or a car dealership to solve the issue.
To program a transponder keys, you need to have the right tools and understand the proper procedure for your vehicle. The majority of transponder keys have an antenna ring in the head of the key, which transmits bursts of radio frequency energy to the chip within the key. The antenna rings receives an identification code from the chip. When the signal is received the ignition system will detect that the key is placed in the key and activate.
If you have the correct equipment and know the process for your vehicle, you are able to do it at home. Many manufacturers have their own method of programming that may require specific equipment. You should be aware that programming requires a long battery life. If your battery fails during the process, you'll have to begin the process at the beginning.
This is why most people prefer having an expert do it for them. Transponder keys that are programmed correctly will save you time and money.
You can easily program a new transponder to work with your previous one by following the steps below. You must use the transponder key programer that is compatible with your car model. To get the best results, adhere to the instructions on the device. Certain car models have special technology which requires a dealer to create keys. This is not the case for the majority of cars. If you have the correct key and the appropriate equipment, this procedure should be fast and easy.