What is Car Keys Programming?
Modern vehicles use a computer chip inside the key fob to communicate with the vehicle. This computer and the key must be programmed to know each one another (think Tinder) and this is referred to as car key programming.
This can be done either by a locksmith, or a dealership, depending on the car manufacturer. The procedure is a bit different but it is usually easy.
What is the most important programming?
It is best to have them reprogrammed professionally if you find that your car keys aren't working because of an unintentional or damaged key fob. This is because the process could be risky and complicated if it isn't done correctly. There are also different steps to consider dependent on the type of vehicle. Many people choose to hire an auto locksmith to provide this task instead of trying to do it on their own.
Reprogramming is a relatively simple process for the majority of automobiles. The professional will start by assessing the make and model of the car to determine which blank key fobs and tools are required. The professional will then program the new chip, or clone it with specialist equipment. Then, they'll test the key to make sure it's working properly.

Some vehicles require a sophisticated programmer that only a few car specialists have access to. This is an expensive option that requires a lot of education and time to master. If you have a trusted and experienced auto locksmith with the right equipment, they can carry out this procedure quickly for you.
Additionally, certain vehicles also have specific EEPROM programming procedures that have to be handled by an expert. These procedures can take several hours and are difficult to follow. These methods are also dangerous and can damage the circuit board of your car's antitheft system.
You'll need a guidebook for your vehicle if you need to change the programming of your keys. Some guides will work for all models, but they may not work for all models. The majority of these guides advise against DIY methods since they can damage the data stored in your vehicle's security module.
In certain instances manufacturers will not let their dealers reprogramme keys. They will require a secure connection to the factory computer that stores this data. This will keep anyone from using your vehicle in the event that someone gets their hands on your original key.
How do I program a key?
The process of reprogramming your car key involves inserting an unprogrammed chip into the key and programming it to match your vehicle's current settings. Requesting a replacement key through the manufacturer of your car could be an option, but this could take a long time - and in the meantime, you'll not have the ease of being able to move around without difficulty. This is the reason why car locksmiths are needed!
Depending on the car you drive, you might be able to reprogram your key with software that you can buy online. However these programs do not support all makes or models and may be confusing to use. In general, it's recommended to hire an expert handle this for you, as they have the proper tools and know how to program your key properly.
You will need an assortment of keys that match the vehicle's make and model in order to accomplish this. You can buy keys online for a discount price, but make sure they are blank. You can also go to locksmiths, but they'll charge you more since they must purchase their own tools and software to program your car keys.
These advanced car key programmers are costly and only accessible to professionals with the right license. Additionally, these cars often come with a token system that allows only one program attempt to be completed per day or hour. If you repeatedly program the key then the code in the car could become corrupted.
It is therefore best to only let an experienced auto locksmith complete the reprogramming of your keys for you. They will have a better understanding of the software and the security systems that are involved, which will greatly minimize the chance of errors or corruptions occurring. Furthermore, they will be equipped with the latest tools and software to accomplish this, which is much safer and more efficient.
What is required to program a key?
Modern vehicles require keys with specific chips that communicate with vehicle systems. The chips have to be programmed to be compatible with the specific car you own which makes it impossible to just use any key fob in your car, even if it is a duplicate. While this makes it more difficult to steal your car however, it also means you cannot simply replace the broken key fob with another one and expect the old one to remain working. This is why the majority of people need to call an auto locksmith to set up an entirely new car key, though it is possible to do so yourself in some cases.
You'll need two keys that work. Once you have them, sit in the driver's seat, and then access the ignition in your car. You will then put the new key in the ignition and turn it to start your car. This will link the new key to your system and make it a functioning replacement for your lost one. The procedure may differ according to the manufacturer, so read the instructions that came with your key, or look up your specific year, make and model online to learn the exact steps.
You should consider buying a key shell rather than a key head if you are looking to cut down on key programming costs. You can purchase the shell that is the plastic piece that holds the key blade, at less cost in auto or hardware stores. It is still necessary to transfer the internals (the circuit board and chip) from the old keyhead into the new shell.
A professional can save you time by doing this for you, but keep in mind that it is more expensive than the regular spare key. Professionals will require an advanced programer that could cost thousands of dollar to connect to your computer in your car. You might be able to purchase a less expensive version online however this will likely not work for your vehicle.
Reprogramming keys can be a bit complicated, and some cars are more challenging to do than others. Certain models can be programmed onboard with an OBD2 Reader, whereas others require a specialized tool known as an EEPROM Reader. Some of these tools can only be purchased through a dealer, and they are expensive, so this is something you should leave to professionals.
How long before the key is programmed?
It depends on the type of vehicle and its distinct anti-theft features. A lot of cars have an electronic system that stops the key from working if it's not programmed to the vehicle. This is done to prevent theft and will require a professional car locksmith for each particular model. The key needs to communicate with the onboard computers to unlock the doors or to start the engine. A professional auto locksmith can get this figured out quickly and efficiently.
Certain car brands are difficult to program, even for an experienced professional. For these models, the process may take a long time or even days. The process requires EEPROM programming procedures, which most locksmiths don't have.
Other features of cars can also require programming to work correctly. It could be a remote starter, an automatic transmission or power windows. In these cases a professional auto locksmith can assist if you have lost or damaged keys.
The majority of professionals will need to determine the model and make of the vehicle they are working on to decide what tools they'll need. They will also need an uncut key that is compatible with their vehicle. Once they have both these items they can program the transponder chip, or key fob and then clone a key, if required. Once all the work is done the key will be examined to verify that it functions.
If the key isn't programmed correctly, the security light on the dashboard will stay illuminated until it is. This is a way to inform the owner that their key isn't working correctly and needs to be programmed again.
It is essential to have an extra key in case you lose or damage the one you have. It can be expensive and time-consuming to program a damaged key. A professional auto locksmith can perform the task more quickly and at a lower cost.