Car Remote Key Repair
Modern car remotes are useful and convenient, but can be frustrating if they stop working. There are some quick solutions to make them work again.
Replace the battery first. The majority of fobs are powered with lithium coin cells. They are inexpensive and easy to locate.
Broken Electronics
The electronic circuit board inside your car key remote transmits and interprets signals to your vehicle. The key fob will cease to function in the event that this board is damaged. Damage to the receiver or transmitter will require an auto-locksmith who is a professional or a car dealer.
The majority of remotes that use key fobs have lithium ion coin batteries which have a reasonably long time-to-life, but won't last forever. If you've used the batteries for a long period of time replacing them is likely to solve your issue. You might be shocked if you have been using your remote for a long time and the buttons aren't responding in any way. This can happen even if the batteries are new. Because the buttons on your key fob get a lot of jostling and can break or become inactive over time. If this happens removal of the buttons and cleaning them before replacing them can often solve the problem.
If the buttons on your remote still aren't working, you might need to reprogramme it to match your car's system. This is usually done by turning the ignition key a few times while the doors are shut. This will depend on the model and make of your vehicle, but you can find the instructions on the internet or consult a professional.
If the key fob is made of plastic, you can take off the cover by prying it off. Be careful not to damage the buttons or internal components. This is best done using a pair needle-nosed pliers that have longer tips. They are able to grasp small components. Lubricating the pliers with super glue, melted tallow, or putty can help them grip delicate components. It's recommended to employ an automotive locksmith do this, since improper techniques could cause damage to the electronic components within. The plastic can be broken when you attempt to take the fob apart with force. It is also possible that the buttons attached to it will break off accidentally if you forcefully pull it apart.
Faulty Transponder Chip
If you've managed to start your car successfully using the remote key, but you're not able to do it again, it could indicate an issue with the transponder chip. This is because your key relies on this small electronic component to communicate with the immobilizer system. It sends a signal to the system that your key is valid and that you are capable of starting the engine. If the chip is unable to correctly transmit this message the immobilizer is disabled for your vehicle.
This problem is more common in older cars, however it can also occur in modern vehicles. The transponder chip wears away over time. This part can be repaired by a car locksmith however it is costly.
In some cases the chip inside your key might be dead. In this instance, the dealer will have to replace it. This is the most costly but necessary way to get your vehicle back on the road.
Another possibility is that the key's chip is damaged. This means that it can not communicate with the immobilizer. This can happen if the battery is changed or if the key has been physically damaged. A Mesa car locksmith can sometimes repair this, however it might be necessary to go to the dealership if you need to get your key programmed once more.
If you're having issues with your remote key the first thing you need to do is to create a backup. If this doesn't resolve the issue, take apart your key fob and do an examination. Make sure none of the buttons appear to be broken or loose. These parts get a lot of use and may be lost over time. If they are loose it is a good idea to have them re-soldered by an experienced professional. In most instances, this will restore your key fob's functionality. This is especially true for keys that were accidentally placed into the wrong ignition lock.
Damaged Battery
If you've tried a brand new battery and the key fob doesn't function, there could be other issues. Fobs are damaged by water, dropping them, or stepping on them, and the internal connections, like the ones that connect the battery terminals inside the remote, may be damaged or disconnected. It's possible to reset the key fob and this is something you can accomplish yourself if you have a spare fob from the same model and make.
Modern key fobs must be programmed to match the vehicle to ensure that only you are able to unlock the car doors. car keys repairs is a crucial step to secure your vehicle and stop other people from using your key fob to gain access to your car or cause electrical system problems. Some engine error codes, or even normal wear and tear, could cause a problem with the programming of your key fob. Professionals with the right equipment can reprogram your key fob in a proper manner.
It's possible that the issue lies with the buttons and is an more straightforward solution than replacing the entire key fob. Key fobs typically come with rubberized buttons that could be damaged or loosen up over time. If you see that the buttons do not appear to be damaged, you may want to adjust them manually.
It's best to open up the fob that you're using to look at it, but be careful. Some key fobs do not have a simple release mechanism. You might require a screwdriver or small tool to pry them apart. Others are sealed and can't be opened with the use of specialized tools. You'll likely need to bring it to a dealer to have it professionally opened. You can utilize a spare keyfob of the same model and make to enter the programming mode of your car. Depending on the car you drive it could involve closing and locking the doors, switching lights and electronics on and off by pressing a particular set of buttons in a particular order.
Failing Buttons
If your key fob has buttons that do not work or need to be pressed very hard to function it could be because of mechanical damage. The key fob's functionality can be affected by dropping it on concrete or accidentally hitting the button by using a sharp object. If this happens you'll have to disassemble the key fob and carefully see whether any buttons appear to be damaged or are out of their place. If that is the situation, a locksmith will fix it for you.

Failure of buttons could be caused by dirt or crud trapped between the buttons. Clean your key fob using a cotton swab that has been submerged in alcohol. It may also be necessary to clean the surface of the keys themselves. You should also try to determine if the issue is related to the locks on your vehicle or with the key fob itself. If you don't own a spare key, try the keys in another vehicle to see if the problem is solved.
Whether or not the key fob requires to be reprogrammed is also dependent on the condition of the battery. If your key fob is unable to operate after you replace the batteries, it most likely indicates that the battery terminal contacts are damaged. You can also reset your electric key fob by pressing the buttons too often when you are out of range, or by disconnecting your car's battery.
If your key fob does not work after replacing the battery you should have it reprogrammed to your vehicle. It will depend on the type of vehicle and the type of key fob you have, but generally, you'll have to manually lock and unlock the car's doors and then insert the key fob into the ignition, turn it to the accessory position and then push a button on the remote. If this works the exterior and/or interior lights will flash. You can retest the key fob in order to verify that it was successfully programmed. In rare instances, the key fob may stop working due to a problem with the door lock.