Repair Car Key: 10 Things I Wish I'd Known Earlier
How to Repair a Car Key Fob
The key fob is jostled around a lot, which means the buttons may be damaged or stuck. If it is necessary, give it a thorough cleaning and replace the battery.
Most cars use the coin-style battery, which you can purchase at big box stores, home improvement retailers and pharmacies. Some models require programming equipment that is available only to dealers.
Dead Battery
The car key fob makes it easy to start your vehicle, and even get it into. But what happens when you press the button a few times, and your car isn't responding? It's usually due to an inactive or dying battery. Luckily, the battery is easy to replace. You can purchase replacements at supermarkets and auto parts stores, as well as some home improvement centers.
However there are other features that the key fob provides may not function. This could be due to an issue with the mechanism, an electrical problem or even a deprogramming mistake in the car's receiver. In these cases you should definitely consult a professional.
Thankfully, the majority of manufacturers include a mechanical key slot inside the fob to be used in case of a dead battery. In most cases, a cover is placed on the handle of the fob to hide the key slot. You can insert the actual key into the slot to open your doors and then start your vehicle. Be sure to re-insert the key fob after you start your car!
If you're lucky enough to have a Ford car with SYNC Connect, there's another way you can start the car without using the key fob. Most of the SYNC Connect equipped Ford vehicles come with an alternative "E-blade" inside the cupholder. This is a mechanical key that can be used to push the starter button in the event that your key fob not be able to start the car. To make the most of this feature, ensure that the car battery is fully charged and that you review the owner's manual in order to see what the procedure is.
If you're still having issues 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 repair the fob. In certain cases the new battery could be used to program the key fob with your car at the dealership or choose Interstate All Battery Center stores. This will only work as long as the circuit board and antennas aren't damaged.
Damaged Buttons
In the course of its existence your car key fob's buttons are bound to be subjected to many wear and wear and tear. They are prone to dropping and are often sat in purses and pockets. The jolting could cause internal components to loosen or become damaged, leading to them not responding when you press them. This problem can be fixed by a few simple steps, but you might require the assistance of a locksmith.
Aside from an inoperable battery, the most common reason a car key fob will not work 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 find videos that explain how to replace the key fob battery on YouTube or in the owner's guide.
It is important to know that some keyfobs need a specific procedure to enter the necessary programming mode to change the batteries. In these cases you'll need to refer to the owner's manual or a reputable auto locksmith to ensure you're following the proper procedure.
If the battery is not working, leaving your key fob exposed to extreme temperatures can cause it to stop functioning. If this happens, you'll have to call an automotive locksmith or a dealer to purchase a new fob.
If the buttons on your key fob aren't responding 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 fix this 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 difficult to open and can't be opened safely without the use of specialized equipment only accessible at a dealer. If you attempt to open it with an 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 remains able to unlock the doors of your car and start your engine however, it's not functioning as far away as it used to, the problem may be 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 close your doors, lock the trunk, or turn off your ignition. If the circuit board has been damaged, the key fob will not be able transmit these signals.
If you are skilled in the field you can repair damaged circuit boards yourself. Begin by removing key repair car and taking the rubber button and holder assembly from the circuit board. Clean the plastic frame and contacts with rubbing alcohol and a cotton swab. This should eliminate any rust that blocks the circuit board to transmit signals.
Then, once you've reassembled the key fob, make sure it is able to enter programming mode. Usually this involves turning it on and off several times, so be sure to consult your owner's manual for specific instructions. A lot of car manufacturers have videos online that demonstrate how to accomplish this. If you're not confident enough to tackle it yourself, you can take your key fob to a locksmith that is trained to work on the specific model of your vehicle.
Some modern key fobs have a built-in receiver that allows you to unlock your trunk and open the doors, as well as turn on your ignition and start the engine from a distance. Generally, these are much more reliable and can work over a greater range. If your newer key fob isn't working as far away as it used to, it could have an antenna that is not working properly or other issue within the internals.
If you're having trouble getting your key fob to work the most likely reason is the battery is dead. It's inexpensive and easy to replace. If the circuit board or buttons on the fob are damaged, it will need to be professionally repaired and reset. This service is offered by the majority of dealerships, but you can find a shop that is specialized in your specific car model.
Forgotten Key
If you've lost your car keys fob, it can be an absolute nightmare. You could turn your home upside down, retracing your steps and searching all over including in drawers, bags, under couches, and even your cat's bed. Eventually, you'll find it. Preventative measures are the best way to prevent losing your key fob. If you've even a hint of ADD or are simply not paying attention, make several copies and give them to close friends and family members, so that when you lose yours, you don't spend 4 hours sweating and blaming yourself for the rest of your life.
Most cars have key fobs that let you lock and unlock your doors and in some cases, set off the alarm or open the trunk. Some of the more advanced models have even more exciting features like the ability summon your car using a button. This feature isn't available on all models, but if your car is one of the ones that can do it - like the Genesis GV60 or Hyundai Sonata for instance - then you're in luck.
The good news is that if have an extra key fob that's programmed to your car then you can use it to start your vehicle in the event you lose your original. You can also get in touch with an automotive locksmith to design an electronic key fob that can be specifically programmed for your vehicle. However, before doing this make contact with your dealer to see if they're able to provide an alternative key fob at a lower cost.
If you don't have an extra key the only method to get your car started is by calling an auto locksmith to come out and cut a new one or replace the current key fob with an empty. Dealers can also do this but they will need your car to be towed as well as proof of ownership. But the good news is that these services are inexpensive, especially compared to getting a new replacement key from your dealer that could cost anywhere from $200 to $250.