How to Repair a Car Key Fob
The key fob is jostled around a lot, which means the buttons could get stuck or broken. If it is necessary, give it a thorough cleaning and replace the battery.
Most cars use the coin-style battery, which you can buy from pharmacies, big box stores and home improvement retailers. However, some models require special programming equipment that dealers only have.
Dead Battery
The car key fob is a small and handy little device that makes entering your vehicle and starting it much easier than ever. But what happens if you push the button few times and your car doesn't respond? This usually happens due to a dead or dying battery. The battery can be replaced easily. You can purchase replacements at supermarkets and auto parts stores and also at some home improvement stores.
Some of the other features offered by the key fob might not function. This could be due to an issue with the mechanism or electrical issue or even a deprogramming mistake within the car's receiver. In these situations it is recommended to call an expert.
Thankfully, most manufacturers still include a key slot made of mechanical inside the fob, which can be used in the event of a dead battery. In most cases the slot for keys is hidden behind a cover that is attached to the handle of the fob. You can insert your physical key into the slot to open your doors and then start your vehicle. Make sure to insert the key fob back into the slot after you have started the car.
If you own a Ford equipped with SYNC Connect you can also start the car using the key fob. The cupholder of the majority of Fords with SYNC Connect has a backup "E blade". This mechanical key can be used to press the starter button in case your key fob fails to start the vehicle. For the best use of this feature, you should make sure the battery is charged. You can also consult the owner's manual for instructions on how to do it.
If you're having problems with your car after changing the battery in your key fob, it may be time to call an expert locksmith or your dealer to get the battery replaced or repair the fob. In some cases, a new battery can be used to program the key fob using your car at the dealership or select Interstate All Battery Center stores. But this will only work if the circuit board and antennas are not damaged.

Damaged Buttons
Over the course of time the car key fob's buttons are bound to see a lot wear and tear. key fob repair are susceptible to dropping and also are frequently 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 usually resolve this issue, however occasionally, you might have to take your device to a professional locksmith.
In addition to a dead battery, the most common reason a car key fob can't function is because it needs new batteries. These little coin-shaped batteries are relatively inexpensive and it's easy to find them in hardware stores or large-box retailers. You can also look up videos on YouTube and in your owner's manual that explain how to replace the battery in your key fob.
However, it's important to be aware that certain key fobs require a specific procedure to enter the programming mode required for changing the battery. In these instances, you'll need to consult your owner's manual and/or a reputable auto locksmith to ensure that you're following the proper procedure.
Leaving your key fob in extreme hot or cold temperatures can also cause it to stop functioning particularly when the battery has failed. If this happens, you will need to contact an automotive locksmith or a dealer for a new fob.
If your key fob's buttons 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 try to solve this issue by taking the key fob off and putting a piece metallic tape over the worn-out contacts.
It is important to know that certain key fobs are extremely difficult to open. They are only opened using specialized tools available from a dealership. If you attempt to open it with an screwdriver, or any other tool, you may end in causing damage to the internal circuit board. This could result in an 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 working as well as it did in the past it could be the issue with the circuit board. The circuit board is an electronic chip in the case. It sends signals to the car telling it if you wish to lock the doors, open the trunk or switch off the ignition. If the circuit board has been damaged, the key fob isn't able to transmit these signals.
You can repair the damaged circuit board at home If you have some technical knowledge. Begin by taking the battery off and separating the holder and rubber button assembly from the circuit board. Make use of a cotton swab or some rubbing alcohol to scrub around the contacts and the plastic frame. This should remove any corrosion that is inhibiting the circuit board from transmitting signals.
After you've assembled your key fob, make sure whether it's in programming mode. Go through the owner's manual to find instructions. Most vehicle manufacturers also have videos online that will show how to accomplish this. If you're not confident enough to tackle it yourself, take your key fob to a locksmith that specializes in your vehicle's model.
Some modern key fobs have a built-in receiver that allows you to open your trunk and lock the doors, as well as switch on the ignition and start your engine from a distance. In general, they are more reliable and can work across a wider range. If your key fob does not work as well as it did in the past it could be due to an internal issue that isn't working or a faulty external antenna.
If you're having trouble getting your key fob to work the most likely reason is a dead battery. It's inexpensive and easy to replace. But if the fob's buttons or circuit board are damaged, you'll need get it repaired professionally and reprogrammed. This service is offered by the majority of dealerships, but you can find a shop that specializes in your particular brand.
Forgotten Key
When you've lost your car keys fob, it can be an absolute nightmare. You can turn your house upside down by retracing your steps and looking everywhere. This includes in drawers, bags and under couches. You'll find it eventually. It is best to take preventative measures as a way to prevent losing your key fob. If you're prone to forgetfulness or even a hint of ADD, make several copies and give these to family and friends so that you won't be sweating and cursing for four hours should you lose your key fob.
Most cars come with key fobs that allow you to lock and unlock your doors. They also, in some cases set off an alarm or open the trunk. However, a few of the more sophisticated models have even cooler features, such as the capability to call your car at the press of one button. This feature isn't in all models but if you own one of the cars that can do it (Genesis GV60 and Hyundai Sonata are two examples) it's an awesome feature to have.
If you have an extra car key fob, which has been programmed for your vehicle, you can make use of it in the event that you lose the original. You can also reach out to an automotive locksmith and have them create a new key fob that's been programmed to your specific vehicle. Contact your dealer to determine whether a replacement keyfob might be available at a lower price.
If you don't have a spare key the only way to get your car started is to contact an auto locksmith to come out and either make a new key or replace your current key fob with an empty. Dealers can also do this however, you'll need get your car towed and provide proof of ownership papers. These services are fairly inexpensive particularly when compared to the cost of a replacement key at your dealership.