How to Repair a Car Key Fob
Your key fob is likely to be tossed around a lot. This could cause the buttons to become stuck or broken. You can try giving it a thorough check and swapping out the battery if you need to.
Most cars use the coin-style battery, which you can buy at pharmacies and big box stores, as well as home improvement stores. However certain models require special programming equipment that is only available to dealers.
Dead Battery
The car key fob makes it easy to start your car and even get it into. What happens when you press the button multiple times, but nothing happens? The most common reason for this is an unresponsive battery. The battery can be easily replaced. You can find replacements at auto parts stores, supermarkets and even some home improvement stores.

However, some of the other features that the key fob offers may not function. This could be due to mechanical issues or an electrical issue inside the car or even a deprogramming error in the car's receiver. In these instances you should definitely call an expert.
Most manufacturers include a mechanical slot in the fob that can be used in case of a dead cell. In the majority of cases the slot for keys is concealed behind a cover on the fob handle. You can insert your physical key into the slot to open your doors and then start your vehicle. Don't forget to insert the key fob back into the slot after you've started the vehicle.
If you own a Ford with SYNC Connect, you can start the car using the key fob. The cupholder on the majority of Fords with SYNC Connect has a backup "E blade". This mechanical key can be used to press the starter button if your key fob isn't able to start the vehicle. To get the most benefit of this feature, make sure that the car battery is charged and that you review the owner's manual in order to see what the procedure is.
If car key repairs is still having issues after replacing the battery in your key fob, you may need to speak with an authorized locksmith or dealer to have the battery or fob repaired. In some instances it is possible to get a new battery that can be used to program the key fob in your car at the dealership or choose Interstate All Battery Center stores. However, this is only possible when the circuit board and antennas are not damaged.
Damaged Buttons
Through the course of its life, your car key fob's buttons are bound to be subjected to a lot of wear and tear. They are prone to dropping and are often sat in purses and pockets. This could cause internal components to get damaged or loose, which could cause them to not respond to your touch. This problem can be fixed by a few simple steps, but you might require the assistance of a locksmith.
In addition to a dead battery, the most common reason a car key fob will not work is because it requires new batteries. These small, coin-shaped batteries are sold at a majority of hardware stores as well as large-box retailers. They are inexpensive. You can also look up videos on YouTube and in the owner's manual of your device that explain how to replace the battery in your key fob.
It's important to remember that some keyfobs require a specific procedure to enter the required programming mode to change the batteries. In these instances you'll need to read the owner's manual or an auto locksmith to make sure you are following the correct procedure.
The fob you have left in extreme cold or hot temperatures could cause it to stop working, especially if the battery has died. If this happens, you will have to call an automotive locksmith or a dealer for a new fob.
If the buttons on your key fob remain unresponsive, it could be that the contacts inside are worn out. These contacts are rubber-like and coated with an electricity-conducting film, but they can start to wear out over time due to repeated use. You can fix this by disassembling the key fob and putting a piece metallic tape over the worn-out contacts.
It is crucial to understand that some key fobs are extremely difficult to open. They are only opened using specialized tools available at a dealership. If you try to open it using a screwdriver, or any other tool, you could end with damage to the circuit board. This could lead to a much more expensive repair cost.
Circuit Board Issues
If your key fob remains in a position to unlock your car's doors and start your engine but it's not as far as it did in the past it could be a problem with the circuit board. The circuit board is an electronic chip that's in the case. It sends signals to the car telling it if you wish to close the doors, lock the trunk or switch off the ignition. If the circuit board is damaged the key fob will not be able to transmit these signals.
You can repair a damaged circuit board by yourself If you have some technical expertise. Remove the battery, and then remove the rubber button assembly and the holder from the circuit board. Clean the plastic frame and contacts with rubbing alcohol and a cotton swab. This should remove any corrosion that blocks the circuit board from transmitting signals.
After you've assembled the key fob, make sure it's in programming mode. Go through the owner's manual to find instructions. Many vehicle manufacturers have videos online that demonstrate how to do it. If you're not confident enough to complete it yourself, bring your key fob to a locksmith who is trained to work on the specific model of your vehicle.
Some modern key fobs have a built-in receiver that allows you to open your trunk and lock the doors, as well as turn on your ignition and start your engine from a distance. They are generally more reliable and work with greater precision. If your key fob does not work as well as it did previously, it may have an internal issue that isn't working or an external antenna that is not working properly.
If you're unable to get your key fob to work The most likely cause is an inoperative battery. It's cheap and simple to replace. If the fob's buttons or circuit board is damaged, you'll need to be able to have it repaired professionally and reprogrammed. This service is offered by most dealerships, but you can find a service specializing in your car brand.
Forgotten Key
It can be an absolute nightmare if you lose your car key fob. You can turn your home upside down retracing your steps and searching all over including in drawers, bags or under couches, and even under your cat's bed. Eventually, you'll find it. The best way to ensure you don't lose your key fob is to taking precautions. If you have even a touch of minor ADD or are just forgetful, make multiple copies and hand them out to your close family and friends members, so that if you lose yours, you won't spend 4 hours covered in sweat and blaming yourself for the rest of your life.
A lot of cars come with key fobs which allow you to lock and unlock the doors, and in some instances activate the alarm system or open the trunk. But a few of the more sophisticated models come with even more exciting features, such as the capability to summon your car with the press of a button. This feature isn't available on all models however if your car is one of those that can be controlled - the Genesis GV60 or Hyundai Sonata for instance and you're a lucky person, then you're in luck.
If you have a spare car key fob programmed for your vehicle, you can use it in the event you lose your original. You can also ask an automotive locksmith to design a key fob that is programmed to your vehicle. Contact your dealer to find out if a replacement keyfob is available at a lower cost.
If you don't own a spare, the only way to start your car is to call an auto locksmith who will replace the key fob you have or create an entirely new one. Dealers can also do this, but you'll need to get your car towed and provide documents to prove ownership. But the good news is that these services are fairly inexpensive, especially compared to getting a new replacement key from your dealer that could cost anywhere from $200 to $250.