25 Surprising Facts About Car Keys Programming
What is Car Keys Programming?
Modern vehicles have a computer chip inside the key fob to connect with the vehicle. The key and the computer must be programmed to know each one another (think Tinder) and this is known as car keys programming.
It can be completed by a locksmith, or a dealer, depending on the manufacturer of the vehicle. The procedure is a bit different but it's always the same.
What is the key to in reprogramming?
It is recommended to have them reprogrammed professionally if you find that your car keys aren't working because of a damaged or lost key fob. The process can be complex and dangerous if not handled correctly. There are also different procedures to be considered dependent on the type of vehicle. This is one reason why many prefer having this service done by a professional auto locksmith instead of trying to do it themselves.
Reprogramming is a fairly simple procedure for the majority of cars. The expert will begin by assessing the make and model of the vehicle to determine the type of blank key fob and tools are required. They'll then program the new key or copy the chip that is already in the key using specialist equipment. Then, they'll test the key to verify that it's functioning correctly.
Certain vehicles require a sophisticated programmer which only a handful of auto specialists have access to. This can be a costly option that requires a lot of time and learning to master. If you have a reliable and experienced auto locksmith with the right equipment, they will be able to complete this process quickly for you.
Some vehicles also have special programming procedures for EEPROMs that have to be completed by an expert. They can take a long time to perform and are more difficult to follow. These techniques can also be risky and could cause damage to the circuit board of your car's anti-theft device.
You'll need a guidebook for your car if you would like to reprogram your keys. Some guides will work with all models, but they may not work for all models. Most of these guides warn against DIY methods as they could corrupt the data stored in your vehicle's security module.
In some cases manufacturers will not allow their dealers to change the programming of keys. They will require an encrypted connection to the factory computer which stores this data. This will stop anyone from accessing your vehicle if someone were to get their hands on your original key.
How can I program my key?
Reprogramming car keys programmed is to insert an unprogrammed chip into the key and programming it to match your vehicle's current settings. The option of ordering a replacement key from the manufacturer of your car could be an option, but it will take time and while it's in the meantime, you will not have the convenience of being able to get around easily. Car locksmiths can assist!
Depending on the model, you may be able to reprogram your own key using software you can purchase on the internet. These pieces of software do not work with all makes or models and may be difficult to use. In general, it's best to have a professional do this for you since they have the appropriate tools and know how to program your key correctly.
You will need an empty set of keys that match your car's model and make to do this. You can buy them online at a discounted price, but ensure that they are blank. You may also visit a locksmith, however they are more likely to cost more because they will need to purchase their own software and advanced car key programming tools to program your car keys for you.
These advanced car key programming machines are expensive and available only to professionals who have the appropriate license. They also have a token system that allows only one program per day or hour. If you program the key over and over, the code in the car may become corrupted.
It is recommended to let an experienced auto locksmith do the reprogramming of your keys for you. They will have a greater knowledge of the software, security systems and other elements involved. This will reduce the chances of corruption or errors. Additionally, they'll have access to the most up-to-date tools and software for this, making it safer and more efficient.
What are the requirements to program the key?
Modern cars require keys with special chips to communicate with the car's systems. The chips have to be programmed to work with your specific car -- making it impossible to just use any key fob with your car, even if it is duplicate. While this makes it more difficult to steal your car, it also means that you can't just replace the broken key fob with a brand new one and expect the old one to remain working. The majority of people must contact a locksmith to create a key for their vehicle however it is possible in certain cases to do this yourself.
You'll need two keys that work. Once you have them two keys, you will need to sit in the driver's seat, and then access the ignition in your car. Insert your new key in the ignition and turn to start your vehicle. This will connect the new key to your system, making it a replacement that is functional for the one you lost. This process can vary slightly depending on the manufacturer. Follow the instructions included with your key, or go online for the model/year/make you are looking for to find the exact steps.
You should consider buying a key shell instead of the head of a key if you want to save on key programming costs. The shell is just the plastic part that houses the key blade, so you can typically purchase them at a lower price from auto parts or hardware stores. You will still have to transfer the internals (the circuit board and chip) from the old keyhead to the new one.
A professional will save you time by taking care of this for you, but be aware that it is more expensive than the regular spare key. The professional will need to have an advanced programmer to connect to the computer in your car and this equipment can cost thousands of dollars. Online, you may be able to buy a lower version. However, this will not work with your vehicle.
Reprogramming a car key can be a complex procedure. Some cars are more difficult to program than other. Some have a fairly simple process that can be done on-board or using an OBD2 reader, whereas others require being programmed using a special tool known as an EEPROM reader. Some of these tools can only be bought through a dealer, and they're expensive, so this is something you should leave to a professional.
How long will it take to get a key programmed?
It's based on the type of car and the unique anti-theft features. Many cars have a system which prevents the key from working if it's not programmed to the vehicle. This is done to prevent theft and will require an expert car locksmith for each model. The key needs to communicate with the computer onboard to unlock the doors or start the engine. A professional auto locksmith can figure this out quickly and efficiently.
Certain car brands are difficult to program even for a seasoned professional. The process can take several hours or days for these models. The process requires EEPROM programming procedures which locksmiths typically don't have.
Other features of cars could also require programming to operate properly. This could be a remote start, automatic transmission or power windows. In these cases a professional auto locksmith will be able to assist in the event that you've lost or damaged your keys.
The majority of professionals will need to determine the model and make of the vehicle they're working on to determine exactly what tools they will need. In addition, they will need to have a key blank that is compatible with the vehicle. Once they have both these items they can program the transponder chip or key fob and clone a key if needed. After all the work is completed and the key is tested, they can test the key to ensure it's functional.
The security light on the dashboard will stay on until the key has been properly programmed. This is to alert the owner that their key isn't functioning correctly and should be reprogrammed.
It is essential to have a spare in case yours gets damaged or lost. It can be expensive and time-consuming to program a broken key. A professional auto locksmith will complete the task faster and at a lower price.