How to Repair a Car Key Fob
The key fob is jostled around a lot, so its buttons can get stuck or broken. If you need to, give it a good cleaning and replace the battery.
Most cars are equipped with the coin-style battery, which you can buy at pharmacies or big box stores as well as home improvement retailers. However certain models require specialized programming equipment that only dealers have.
Dead Battery
The car key fob is a small and handy little device that makes getting into your vehicle and launching it more simple than ever. What happens if you push the button few times, and your car doesn't respond? The most common cause for this is a dead battery. Luckily, the battery is simple to replace. You can find replacements at auto parts stores, supermarkets, and some home improvement centers.
However there are other features that the key fob provides might not function. This could be because of a mechanical problem or an electrical problem inside the vehicle or even a deprogramming error in the receiver of your car. In these situations it's best to consult a professional.
Thankfully, the majority of manufacturers include a key slot made of mechanical inside the fob to be used in the event of an unresponsive battery. Most of the time the slot for keys is hidden behind a cover on the fob handle. The key's physical form can be put 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 vehicle.
If you own a Ford with SYNC Connect you can also start the car with the key fob. Most SYNC Connect equipped Ford vehicles have a backup "E-blade" in the cupholder. It is a mechanical key that can be used to press the starter button in the event that your key fob not be able to start the car. To make the most effective use of this feature, make sure the battery is fully charged. You can also refer to your owner's guide to find out the best way to use it.
If you're still experiencing issues with your car after changing the battery in your key fob, it may be time to call a locksmith or your dealership to get the battery replaced or repair the fob. In some cases, a new battery can be used to program the key fob with your vehicle at the dealership or choose Interstate All Battery Center stores. However, this is only possible 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 undergo a lot wear and wear and tear. They are susceptible to falling and are frequently in pockets and purses. The jolting may cause the internal components to loosen or become damaged, resulting in them not responding when you press them. A few simple steps can resolve this issue, however sometimes you may require taking your fob to an expert locksmith.
The most frequent reason for a car keyfob to stop working is that the batteries are dead. These tiny coin-shaped batteries can be found in a variety of hardware stores and large-box retailers. They are inexpensive. You can also find videos explaining how to replace the battery for your key fob on YouTube or in the owner's manual.
However, it's important to know that some key fobs require a special procedure to enter the programming mode needed to change the battery. In these cases you'll need consult the owner's guide and/or an auto locksmith to make sure you are following the proper procedure.
If the battery is dead, leaving your key fob exposed to extreme temperatures can cause it to stop working. If this happens, you will require contacting an automotive locksmith or a dealer for a new fob.
If you still can't press the buttons on your key fob, it could be due to the contacts being 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 remedy this issue by taking apart the key fob, and then placing a piece metallic tape over the worn-out contacts.
It's important to note that certain key fobs are extremely difficult to open and cannot be opened with confidence without the right equipment only accessible at a dealer. If you try to open it using an screwdriver, or any other tool, you could end in causing damage to the internal circuit board. This could result in a much more expensive repair bill.

Circuit Board Issues
The circuit board may be the cause of your key fob not working as well as it did too. The circuit board is a tiny electronic chip in the case that sends signals to your car telling it to close your doors, lock the trunk and even switch off your ignition. If the circuit board is damaged the key fob won't be able transmit these signals.
If you are skilled in the field you can fix damaged circuit boards yourself. Begin by removing the battery and separating the holder and rubber button assembly from the circuit board. Clean the plastic frame and contacts using rubbing alcohol and cotton swab. This should remove any rust that's preventing the circuit board to transmit signals.
After you've assembled the key fob, be sure it is able to enter programming mode. Check your owner's guide for instructions. Many vehicle manufacturers have online videos that show how to accomplish this. If you're not sure to complete the task, you can bring your key fob to the locksmith that specializes in the model of your vehicle.
Some of the newer key fobs come with an integrated receiver that lets you open your trunk, lock your doors, and switch on your ignition from an extended distance. Generally, these are much more reliable and operate with greater precision. If your newer key fob isn't working as far away as it used to it could be due to an issue with the antenna or other issue within the internals.
The most likely cause of the key fob not working is a dead or low battery. It's cheap and simple to replace. If the fob's buttons or circuit board is damaged, you'll have to be able to have it repaired professionally and changed to a new program. Many dealerships offer this service, but you can also locate a shop that is specialized in your car's brand.
Forgotten Key
It's a nightmare when you lose your car keys. You can turn your home upside down, retracing your steps and searching all over including in drawers, bags, under couches, and even your cat's bed. You'll find it eventually. However, the best way to prevent losing your key fob is to taking precautions. If you're susceptible to forgetfulness or have a slight hint of ADD Make several copies and give these to your family and friends so that you won't be in a state of panic and worry for four hours should you lose your key fob.
Many cars come with key fobs which allow you to lock and unlock doors, and in certain instances activate the alarm system or open the trunk. However, a few of the more advanced models have more advanced features, like the ability to call your car at the press of one button. This feature isn't available on all models however if your car is one of the models that can do it - like the Genesis GV60 or Hyundai Sonata for instance and you're a lucky person, then you're in good hands.
If you have an extra car key fob, which has been programmed for your vehicle, you could 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. But before you do make contact with your dealer to see if they can provide a replacement key fob at a lower price.
If you don't have an extra key, the only way to get your car started is to contact an auto locksmith to come out and make a new key or replace your current key fob with a blank. A dealer can also do this however you'll need to get your car towed along with documents to prove ownership. These services are relatively inexpensive, especially when compared to the cost of a replacement key at your dealership.