How to Repair a Car Key Fob
Your key fob is likely to be tossed around often. This could cause the buttons to get stuck or broken. You can try giving it a thorough check and replacing the battery if you need to.
Most cars are powered by the coin-style battery, which you can purchase at big box stores as well as home improvement stores and pharmacies. Certain models require programming equipment that is available only to dealers.
Dead Battery
The car key fob makes it easier to start your vehicle, and even get it into. What happens if you push the button a few times and your car isn't responding? This usually happens due to a dead or dying battery. Fortunately, the battery can be easy to replace. You can find replacements in supermarkets and auto parts stores, as well as some home improvement stores.
However certain other features that the key fob provides might not function. This could be due to a mechanical issue or electrical issue or even a programming error in the car's receiver. In these situations you should definitely consult a professional.
Fortunately, a majority of manufacturers have a key slot that is mechanical inside the fob, which can be used in the event of an inoperative battery. In most cases the key slot is hidden behind a cover on the handle of the fob. The physical key can be inserted into the slot, which will allow you to open your door and start your car. Make sure to insert the key fob back into the slot once you have started your car.
If you're fortunate enough to have a Ford car with SYNC Connect, there's an additional way you can start the car without the key fob. The cupholder in the majority of Fords equipped with SYNC Connect has a backup "E blade". This key is used to press the starter button in the event that your key fob isn't able to start the vehicle. To make the most effective use of this feature, you should make sure the battery is fully charged. You can also consult the owner's manual to learn how to do it.

If you're still experiencing issues with your car after changing the battery in your key fob it could be the right time to contact an expert locksmith or your dealer to get the battery replaced or repair the fob. In some instances the new battery could be used to program the key fob with your car at the dealership or select Interstate All Battery Center stores. But this will only work in the event that the circuit board and antennas are not damaged.
Damaged Buttons
Through the course of its life, your car key fob's buttons are likely to undergo a lot of wear and wear and tear. They're susceptible to droppings and also are often being tossed around in purses and pockets. This could cause internal components to become damaged or loose, which could result in them not responding to your press. A few easy steps can solve this issue, but sometimes you may need to take your fob to a professional locksmith.
The most common reason for a car keyfob that isn't working is that the batteries are dead. These small coin-shaped batteries can be found at most hardware stores and large-box retailers. They are inexpensive. You can also find videos on YouTube and in the owner's manual of your device that describe how to replace the battery in your key fob.
It's also important to be aware that some key fobs require a specific procedure to enter the programming mode necessary to change the battery. In these cases you'll need look up the owner's manual and/or an auto locksmith to ensure that you follow the proper procedure.
Leaving your key fob in extreme hot or cold temperatures could cause it to stop working particularly in the event that the battery has gone out. In this case, you'll need to consult an automotive locksmith or your dealer to obtain the replacement fob.
If the buttons on your key fob still don't respond it could be because 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 attempt to repair this by disassembling the key fob and putting a piece of metallic tape over the worn-out contacts.
It is crucial to understand that certain key fobs are extremely difficult to open. They can only be opened safely with specialized equipment that can be purchased from a dealer. If you try to open it using the use of a screwdriver or other tool, you may end with damage to the circuit board. This could lead to an even more costly repair bill.
Circuit Board Issues
If your key fob remains capable of unlocking your car's doors and even start your engine however, it's not functioning as far as it used to it could be a problem with the circuit board. The circuit board is a tiny electronic chip inside the case. It transmits signals to your car, telling it whether or not to lock your doors, open the trunk, and even turn off your ignition. If the circuit board is damaged the key fob will not be able transmit these signals.
Repairing a damaged circuit board on your own if you have some technical know-how. Start by removing the battery and taking the rubber button and holder assembly from the circuit board. Use a cotton swab and some rubbing alcohol to clean around the contacts and the plastic frame. This should eliminate any rust that blocks the circuit board from sending signals.
After you've assembled your key fob, verify whether it's in programming mode. Go through the owner's manual to find instructions. Most vehicle manufacturers also have videos on the internet that show you how to accomplish this. If you are not confident to complete the task, you can bring your key fob into an expert locksmith who is knowledgeable about the vehicle model you have.
Some of the more modern key fobs have a receiver built in that allows you open your trunk, lock your doors, and turn on your ignition from a distance. They're generally more reliable and operate across a wider area. If your latest key fob isn't working as far away as it did previously, it could have an issue with the antenna or other internal issue.
If you're unable to get your key fob to work the most likely reason is an inoperative battery. It's affordable and easy to replace. If the circuit board or buttons on the fob are damaged, they will require professional repair and reprogrammed. The majority of dealerships will provide this service, but you can also locate a shop that is specialized in your car's brand.
Forgotten Key
If you've lost your car key fob, it could be a nightmare. It's possible to turn your house upside down and retrace your steps, and looking everywhere, including in bags, drawers or under couches, and even under your cat's bed. In the end, you'll find it. Prevention is the best way to prevent losing your key fob. If you've got even a touch of minor ADD or are simply forgetful, make several copies and give them to close friends and family members, so that when you lose yours you don't spend four hours sweating and blaming yourself for the rest of your life.
The majority of cars have key fobs that allow you to lock and unlock your doors. You can also in some cases, set off the alarm or open the trunk. However, key repair car of the more advanced models have even cooler features, like the ability to summon your car with the press of a button. This feature isn't available on all models, but if your car is one of the models that can do it - like the Genesis GV60 or Hyundai Sonata for instance - then you're in luck.
If you have a spare car key fob programmed for your vehicle, you could use it in the event you lose the original. You can also talk to an automotive locksmith and have them create a new key fob that's been programmed to your specific vehicle. But before you do, check with your dealership to determine if they are able to provide an alternative key fob at a lower cost.
If you don't have a spare alternative to start your vehicle is to contact an auto locksmith who will replace your current key fob or cut a new one. A dealer can also do this, but you'll need to bring your vehicle in along with documents to prove ownership. These services are relatively inexpensive particularly when compared to the cost of replacing a key at your dealer.