The short answer is: yes. But it might not always work as smoothly as you hope. Here, we break down exactly how to go about reprogramming your key fob, when it is best to spend money on a professional, and some tips and tricks to make this process easier. Here is a general guide for reprogramming your key fob. This works for the vast majority of cars on the market. However, there may be an exception with your specific type of vehicle, so it is worth taking the time to check to ensure yours is not unique.
These steps should work for reprogramming to a different car as long as the key fob will function the same way. For example, you could not reprogram your key fob to a car that was never set up for one to begin with.
Put in brand new batteries before reprogramming your key fob. Losing power in the middle of reprogramming could cause issues. Close all the doors during this process.
With your key still in the car ignition, press the lock button on the key fob. Then, turn the car key so the car goes off completely. Now, turn the electrical system back on, but again, do not turn the engine on. Once again, press the lock button on the key fob and turn the car off. Repeat this once more, so that you have done it three times total.
The purpose behind this is so that your car recognizes it is your key in the ignition and your key fob locking the car. This data gets saved. After this process, you should hear a lock sound. This means that your vehicle has entered programming mode. Press the lock button on your key fob immediately following the sound to ensure programming is successful. You will want to do this within five seconds. Also, if you have more key fobs you want to program, press the lock button on them as well within 10 seconds of the lock sound.
You may also find it by looking through the windshield onto the right side of the dashboard. Bring ownership information to the locksmith. By law, you have to show your license and registration when ordering an official key. This is to prevent someone from taking your car and getting a new key.
Bring this along to make key creation easier. If it is a GM vehicle, most likely. Insert your working key into the ignition and turn it on. Wait for the security light to go out. Quickly remove the key and insert your new programmed key. Turn the ignition on and wait for the security light to go out. Your key is then programed. Not Helpful 2 Helpful 7. My Ford Expedition will not crank.
I am using the original key that I have been using, and my mechanic says it won't turn over because the key is not communicating with the car computer. Any ideas? Glenn Letteer. Older Ford vehicles that utilize the "Pats" system are known to have this issue. The chip in the key is strong, but the antennas lose their strength. Begin by taking your key to a locksmith to have it scanned. If the locksmith is able to read the chip, the chip is good and is not the problem.
Purchase a new antenna and plug it in. This should fix your issue. Not Helpful 2 Helpful 1. YOU don't. It is impossible for you to program your own Mercedes key with out purchasing thousands of dollars in specialized equipment. If you are able to locate an Eeprom Automotive Locksmith, they have the ability to program your Mercedes key.
If there is not one near you, you can remove your ignition and ship it to one to have the key electronically added. If this is not possible, the dealer is your only option. Not Helpful 1 Helpful 4. If you have an "info" button in your Uplander, press and hold it until you see "Learn remote" displayed.
You may then press and hold a button on the remote until you hear the car beep indicating the remote has been learned. If there is no info button, there is no onboard programming and you must take it to a locksmith for programming.
Not Helpful 2 Helpful 0. There is no possible way for you to program a "Fobik" key on your own. It must be taken to a locksmith.
The locksmith extracts the pin code from your vehicle, then uses it to program the key. Not Helpful 0 Helpful 0. Even if you were able to turn the ignition, the vehicle has an immobilizer system that requires a chip. Remember, attempting to fix things yourself and save money generally leads to an even greater expense than having it done the right way by a professional.
Not Helpful 4 Helpful 3. Include your email address to get a message when this question is answered. The steps for key programming differ from manufacturer to manufacturer. Helpful 0 Not Helpful 0. Some car brands require that you have two working keys before you can program a new one. Submit a Tip All tip submissions are carefully reviewed before being published.
Related wikiHows How to. How to. More References 2. About This Article. Co-authored by:. Co-authors: 4. You need to repeat this process three times and ending it on the position from where you started. After the last process, you need to wait to hear the lock sound, if you do hear the sound it will indicate that the process was done successfully and you have entered the programming mode now. If you do not hear the sound the first time, you will have to repeat the above process several times until you finally hear the sound.
Once this process is done, you need to press the lock button again in 5 seconds, and the programming will be done with it. Timing is very crucial in this as you need to be sharp and vigilant while you are doing the process, and a slight delay will make you repeat the whole procedure again.
You have to press the lock button in less than 10 seconds after you have entered the programming mode, which will successfully program these remotes as well successfully. After you have successfully programmed all of the remotes that you possess, you do need to turn off the ignition, which will successfully end the programming process of the remotes.
After terminating the programming process, you need to exit the car along with your key fobs and close all the doors properly, making sure even the trunk is closed properly. After exiting the vehicle test all of the key fobs that you programmed by unlocking and locking the car a couple of time, this will help in verifying the process and a job well done. For some advanced or unique car reprogramming, the key fob is not going to be a piece of cake, and for that purpose, you will need to have specialist hardware in order to reprogram the key fob.
In these situations, we suggest that you contact your car dealer or mechanic who handles all of your car problems, but that might get a little expensive. You can get your key fob reprogrammed from any other locksmith who deals with these kinds of problems and is not just a traditional locksmith but an experienced auto locksmith. This will be less expensive as compared to the car dealer, and you can also get a master key made from him as well.
The security of your car is divided int two categories; the first one is car entry, and the second is starting the car. The older car key fobs used rf systems that were not fully secure, and their signals could be hacked and played back to unlock the vehicle. Nowadays the cars are using many advanced systems for key fobs which is more sophisticated and generates a new code every single time, the receiver on the vehicle also produces the same code, and they are synchronized to unlock the vehicle.
The importance of key fobs varies from person to person and car to car. Some people who still use older vehicles will never be satisfied with this technology because they are used to the traditional key setup. While the new generation like us wants keyless entry doors so that we do not have to be worried about losing the keys.
These key fob benefits everyone because they are safer, and they certainly more secure than other older systems, so chances of car theft are very low as compared with older systems.
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