How to Repair a Car Key Fob
The key fob is jostled around a lot, so the buttons may get stuck or broken. You can give it a once-over and then swapping the battery, if needed.
Most cars are equipped with the coin-style battery, which you can buy at pharmacies, big box stores and home improvement stores. Certain models require programming equipment that is available only to dealers.
Dead Battery
The car key fob is a compact and convenient device that makes getting into your vehicle and starting it easier than ever. What happens if you push the button a few times, and your car doesn't respond? This is usually caused by an inactive or dying battery. Luckily, the battery is easy to replace. You can find replacements in auto parts stores and supermarkets and also at some home improvement centers.
However certain other features that the key fob offers may not function. This could be due to a mechanical problem or an electrical problem inside the vehicle or even a deprogramming error in the car's receiver. In these situations you should definitely consult a professional.
Fortunately, a majority of manufacturers include a mechanical key slot inside the fob for use in case of a dead battery. In most cases the key slot is hidden behind a cover on the handle of the fob. You can insert the actual key into the slot to unlock your doors and start your vehicle. Just don't forget to re-insert the key fob when you start the vehicle!
If you own a Ford with SYNC Connect, you can start the car by using the key fob. Most of the SYNC Connect equipped Ford vehicles come with an additional "E-blade" within the cupholder. It is a mechanical key that can be used to push the starter button in the event that your key fob fail to start the vehicle. For the best use of this feature, make sure the battery is fully charged. You can also consult the owner's manual to find out how to use it.
If you're having problems with your car after replacing the battery in your key fob, it may be the right time to contact an expert locksmith or your dealer to get the battery replaced or to repair the fob. In certain cases 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 if the circuit board and antennas aren't damaged.
Damaged Buttons
In the course of time your car key fob's buttons are bound to see a lot of wear and tear. They are susceptible to falling and spend a lot time in pockets and purses. This could cause internal components to become damaged or loose, which can result in them not responding to your press. A few easy steps can usually resolve this issue, however sometimes you may have to take your device to a professional locksmith.
Aside from batteries that are dead, the most common reason why a key fob for a car can't function is because it requires new batteries. These small, coin-shaped batteries are sold in a variety of hardware stores and large-box retailers. They aren't expensive. You can also look up videos on YouTube and in the owner's manual of your device that describe how to replace the battery on your key fob.
It's also important to know that some key fobs require a specific procedure to enter the programming mode needed to change the battery. In these instances you'll need to read the owner's manual or an auto locksmith to ensure that you're following the proper procedure.
If the battery is not working, leaving your key fob at extreme temperatures can cause it to cease functioning. In this instance you'll need to contact an automotive locksmith or your dealer to get the replacement fob.
If your key fob's buttons 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 remedy this issue by removing the key fob and placing a piece metallic tape over the worn-out contacts.
It is important to be aware that certain key fobs are extremely difficult to open. They can only be opened with specialized equipment that can be purchased from a dealer. If you attempt to open it with a screwdriver, or any other tool, you could end in causing damage to the internal circuit board. This could lead to an expensive repair cost.
Circuit Board Issues
If your key fob is still capable of unlocking the doors of your car and start your engine, but it's not working as far away as it used to, the problem may be 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 lock the doors, open the trunk or switch off the ignition. If the circuit board has been damaged, your key fob isn't able to transmit these signals.
If you have the technical know-how you can repair a damaged circuitboard yourself. Begin by removing the battery and separating the rubber button and holder assembly from the circuit board. Use a cotton swab along with some rubbing alcohol to scrub around the contacts and the plastic frame. This should eliminate any rust that's preventing the circuit board from transmitting signals.
Then, once you've reassembled the key fob, make sure it is able to enter programming mode. Refer to the owner's manual for instructions. car key repair have videos online that show how to accomplish this. If you're not confident enough to do it yourself, send your key fob to a locksmith who is specialized in the model of your vehicle.
Some of the more modern key fobs have an integrated receiver that lets you open your trunk, lock your doors, and switch on your ignition from some distance. They are generally more reliable and work across a wider area. If your key fob that is newer isn't working as well as it did in the past, it could have an antenna that is not working properly or other internal issue.
If you're having trouble getting your key fob working the most likely reason is a dead battery. It's cheap and easy to replace. If the fob's buttons or circuit board are damaged, you'll need get it repaired professionally and reprogrammed. This service is provided by many dealerships, however you can also find a shop that specializes in your particular brand.
Forgotten Key
If you've lost your car key fob, it could be an absolute nightmare. It's possible to turn your house upside down and retrace your steps and searching everywhere, including in drawers, bags, under couches, and even your cat's bed. Eventually, you'll find it. Prevention is the best method to avoid losing your key fob. If you've got even a little ADD or are just forgetful, make several copies and distribute them to family and close friends members, so that when you lose yours you don't spend four hours covered in sweat and blaming yourself for the rest of your life.
Many cars have key fobs which allow you to lock and unlock the doors, and in some cases 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 push of one button. This feature isn't available on all models, but if your car is one of those that can do it - like the Genesis GV60 or Hyundai Sonata for example and you're a lucky person, then you're fortunate.
If you have an extra car key fob programmed for your vehicle, you can use it in the event you lose your original. You can also talk to an automotive locksmith to have them create an entirely new key fob that has was programmed to your specific vehicle. However, before doing this, check with your dealership to see if they're able to provide the replacement key fob for you at a lower price.
If you don't have an extra key and you don't have a spare, the only way to start your vehicle is to contact an auto locksmith who will replace your current key fob or make a new one. Dealers can also help with this however, you'll need have your car towed in along with proof of ownership papers. These services are fairly inexpensive, especially when compared to the cost of a replacement key at your dealer.