Car Key Fob Repairs
Key fobs today can do much more than simply unlock and start vehicles. However, the added complexity could cause costly repairs if one of them breaks.
It's important to know that the majority of fobs are powered by flat-watch-style batteries which can be replaced at home. You might find that a simple reset will allow your fob to function again.
Battery Replacement
A dead battery is the most frequent reason for a key fob that isn't working. It's simple to fix and worth trying before you purchase the replacement fob. Simply drive your car to an auto parts store or a hardware retailer that stocks button cells and choose a replacement. You can also refer to your owner's guide (or YouTube for videos explaining how to replace the battery) for specific instructions on how to remove and replace the battery inside your fob.
Most fobs have two halves that snap togetherYou'll need to pry the sides apart to access the battery. You'll require a small flat-bladed screwdriver, or another tool with a small blade. You can wedge your tool into a slot on the bottom of the key fob. You might also want to watch out for tiny pieces that might break loose as you work.
Once you have the new battery, insert it in the same manner that you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-), the markings on the battery compartment.
Check the fob to determine whether it is working by pressing the button. If it doesn't work, there could be an issue with your car that requires a professional to fix or replace.
Certain key fobs require special tools to open and close them, and the contacts inside can be fragile and easily corroded. In these situations the best solution is to speak with a specialist or a dealer. When replacing a battery, be gentle and follow your owner's instructions. You may be able find the same battery at a big-box store or discounter, but make sure to check the owner's manual to make sure that it's compatible with your vehicle.
Replacing the Internal Key
To protect against theft, the majority of key fobs are equipped with a mechanical key hidden inside. When the battery in a fob dies and the key is discarded, a blank one is left behind and can be used to unlock trunks and doors. In some cases the key could even start certain cars. The majority of people don't realize they can avoid a trip to a dealership by replacing the fob's batteries. The flat watch-style battery is used in the majority of modern fobs. These batteries can be located at auto parts stores and hardware stores. The right kind of battery is essential, however. The wrong kind can damage the electronic circuitry, which can cause the battery to fail faster.
If you try replacing the battery and discover that the problem persists, it could be an indication that something else is happening with your car. If you have an owner's manual look for there is a reset option available to restore the fob's original programming. If this fails, you'll need visit a dealership or an independent shop that specializes in security systems for vehicles and key fob programming.
Fobs can also fail due to malfunctioning transmitter receivers. They are typically located close to the steering wheel or in the dashboard. They transmit signals to allow you to unlock your car and start it with the fob. If you notice that you're required to move closer and closer to your vehicle in order to make it work, there's a great chance that the transmitter isn't working.
It may be required for a professional to open the case of the fob to replace the transmitter. A simple screwdriver is enough to do the job, but some fobs have complicated release mechanisms that require a specific tool or specialized equipment that is available only at a dealership. key fob repair should be done by a certified mechanic to avoid damaging the fob as well as yourself.
Reprogramming the Key
Often a non-functional key fob simply needs a fresh battery. They are easily available in pharmacy and home improvement stores and are affordable. This is a great way to start before buying an entirely new key fob.
Alternatively, you may be able to program the fob on your own by following the steps. The process is different for different vehicles makes, so it's important to read the owner's manual and research the specifics of your particular model. For example, one key fob may require that the ignition be switched on while reprogramming the key. Another might need the key to be inserted and removed repeatedly.
The process is straightforward. Make sure the battery is securely in place. Then, get into the driver's seat and shut all doors EXCEPT for the driver's side door. This will ensure the new key is communicating with the vehicle properly. Place the old key in the ignition and turn it on, but don't start the engine. Then press the lock button on the fob, while looking at the transmission receiver, which is usually located in the front of the car above the mirror. Within a short time frame the key will signal to the vehicle that it's being programmed by triggering the doors locks or emitting the sound of a chime. This can be a tricky procedure, so pay attention to the timing and don't press too hard the button.
If the key fob doesn't work Try reprogramming it with new batteries. If the issue persists, you might want to check with your local locksmith or dealer. A professional locksmith will have the tools and programming equipment needed to reprogram your car's fob or clone the key if needed.
Genesky says he's able to program newer fobs between $200 and $250, depending on the model of vehicle. He's experienced European models turned away because he lacks the expensive equipment required. The majority of aftermarket fobs can be programmed, but you should always consult your local dealer to determine the price.
How to get a new fob
If your key fob can't be repaired, you may need to buy an entirely new one. Based on the model and make, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive choice for a replacement fob, however, it will also have the tools and software required to program your car properly. Many independent locksmiths offer a new car key fob at a much lower price.
It's a good idea to try to reset your current device before you rush out to buy an entirely new one. The owner's manual should outline the correct reset procedure. It is typically a series button presses that restores the factory programming.
It is also a good idea to read the owner's manual and warranty information before you decide which place to go for an replacement fob for your key. If your car is under warranty or you have a car insurance policy or auto club membership that provides bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of the new fob.
Finding the right location to purchase the fob you need can be difficult. You might want to visit the dealer for this service if are driving a brand new car and you want to be confident that your key fobs are functioning properly. If you are looking for a more affordable alternative, it's possible to find a locksmith who can provide the same service for a lower price.
If you're not comfortable doing this kind of work yourself A professional locksmith could be a good option. They are trained and equipped to replace or reprogram keys for cars of all kinds and can do it quickly. Locksmiths can also come to your office or home which is a great option for many. They can even cut and program keys on the spot when you've lost keys, which is great for those who do not want to leave their cars in the dark.