How to Repair a Car Key Fob
You key fob is likely to be jostled frequently. This can cause the buttons to become stuck or break. Try giving it a once-over and replacing the battery, if necessary.
Most cars are equipped with a coin-style battery that you can buy at pharmacies and big box stores, as well as home improvement retailers. 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 then get it started. But what happens when you push the button few times and your car doesn't respond? The most common reason for this is a dead battery. Fortunately, the battery can be simple to replace. You can find replacements in auto parts stores, supermarkets, and some home improvement stores.
Other features offered by the key fob may not function. This could be because of mechanical issues or an electrical issue inside the car or even a problem with deprogramming in the car's receiver. In these situations you should definitely contact an expert.
Fortunately, a majority of manufacturers have a key slot that is mechanical inside the fob to be used in the event of an unresponsive battery. In the majority of cases the key slot is concealed behind a cover on the handle of the fob. You can insert the actual key into the slot to open your doors and then start your vehicle. Just don't forget to re-insert the key fob once you have started the vehicle!
If you happen to have a Ford car that has SYNC Connect, there's another method of starting the car without the key fob. Most of the SYNC Connect equipped Ford vehicles come with an alternative "E-blade" inside the cupholder. This key can be used to push the starter button if the key fob you have is not able to start the vehicle. To get the most out of this feature, ensure that the car battery is charged and review the owner's manual in order to see what the procedure is.
If your car is still having problems after replacing the battery in your key fob, you may need to contact an authorized locksmith or dealer to get the battery or fob repaired. In certain cases, a new battery can be used to program the key fob in your vehicle at the dealership or select Interstate All Battery Center stores. This will only work so long as the circuit board and antennas are not damaged.
Damaged Buttons
Over the course of its life the 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 purses and pockets. This could cause internal components to become damaged or loose, which can result in them not responding to your pressing. This problem can be fixed with a few easy steps, but you might be required to speak with a locksmith.
More Help for a car keyfob that isn't working is that the batteries are dead. These tiny coin-shaped batteries are fairly inexpensive and it's easy to find them in hardware stores or big-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.
It's important to note that some keyfobs require a specific procedure to enter the necessary programming mode to change the batteries. In these instances, you'll need to consult your owner's manual and/or an auto locksmith that is reputable to ensure you're following the correct procedure.
Leaving your key fob in extreme cold or hot temperatures can also cause it to stop working in particular if the battery has died. In this case you'll have to talk to an automotive locksmith or your dealer for an alternative fob.
If your key fob's buttons remain unresponsive 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 remedy this issue by dismantling the key fob, and then placing a piece metallic tape over the contacts that are worn out.
It is important to know that certain key fobs are extremely tricky to open and can't be opened safely without the use of specialized equipment only available at a dealership. If you try to open it using an screwdriver, or any other tool, you may end in causing damage to the internal circuit board. This could lead to an expensive repair cost.
Circuit Board Issues
If your key fob remains able to unlock your car's doors and start your engine, but it's not working 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 that sends signals to your car, telling it whether or not to lock your doors, open the trunk, and even switch off your ignition. If the circuit board is damaged, your key fob isn't able to transmit these signals.
If you're a tech expert you can repair damaged circuit boards yourself. Take the battery off, then take the rubber button assembly and holder from the circuit board. Use a cotton swab along with some rubbing alcohol to scrub around the contacts and plastic frame. This should eliminate any corrosion that has stopped the circuit board from transmitting signals.
Then, once you've reassembled the key fob, ensure that it's in programming mode. Usually, this means turning it on and off repeatedly, so make sure to check your owner's manual to find specific instructions. Many car manufacturers also have videos online that will show how to accomplish this. If you're not confident enough to tackle it yourself, send your key fob to a locksmith who is specialized in the model of your vehicle.
Certain key fobs that are newer have an integrated receiver that lets you to open your trunk and lock the doors, and also turn on the ignition and start your engine from an extended distance. In general, they are more reliable and work across a wider range. If your latest key fob isn't functioning as far as it used to, it could have a faulty antenna or some other internal issue.
The most likely cause for the key fob not working is a dead or low battery. Full Content and simple to replace. However, if the fob's buttons or circuit board are damaged, you'll have to have it professionally repaired and changed to a new program. This service is available through many dealerships, however you can also find a shop that is specialized in your specific car model.
Forgotten Key
If you've lost your car keys fob, it can be a nightmare. You can turn your house upside down by retracing your steps and searching everywhere. This includes in bags, drawers and under couches. You'll eventually find it. But the best way to prevent losing your key fob is to taking precautions. If you have even a little ADD or just forgetful, make multiple copies and hand them out to family and close friends members, so that when you lose yours, you won't spend 4 hours covered in sweat and blaming yourself for the rest of your life.
Many cars come with key fobs which allow you to lock and unlock doors, and in some instances, activate the alarm system or open the trunk. Some of the more sophisticated models have even more exciting features like the ability summon your car by pressing a button. This feature isn't available on all models however if your vehicle is one of those that can be controlled - the Genesis GV60 or Hyundai Sonata for instance - then you're in good hands.
If you have an extra car key fob programmed for your vehicle, you could make use of it in the event that you lose the original. You can also get in touch with an automotive locksmith to design the key fob programmed to your vehicle. Talk to your dealer to see whether a replacement keyfob might be available at a lower price.
If you don't have spare keys, the only way to get your car started is to call an auto locksmith to come out and either cut a new key or replace the current key fob with an empty. Dealers are also able to do this but they will need your car to be towed and proof of ownership. But the good thing is that these services are affordable, particularly when compared with getting a new replacement key from your dealership that can cost between $200 and $250.