Car Key Fob Repairs
Today's key fobs can do more than unlock and start vehicles. But that extra complexity can result in costly repairs when one of them fails.
It's important to know that a majority of fobs are powered by flat watch-style batteries, which can be easily replaced at home. It is possible that a simple reset is enough to make your fob work again.
Battery Replacement
The most frequent reason a key fob stops working is due to the battery being dead. It's a simple solve and is worth a try before you purchase the replacement fob. You can purchase a new button cell battery at your local auto part store or hardware retailer if you have one. You can also consult your owner's manual (or, if you don't have one, YouTube is full of videos from people who show you how to do it) for specific instructions on opening and replacing the battery on the particular type of fob.
Most fobs have two halves that snap together -You'll need to break the sides to access the battery. It's usually a screwdriver or a different tool that has a flat, thin blade. You can insert your tool into a slot on the bottom of the key fob. You might also want to be on the lookout for small pieces that could come loose while you work.
When you have your new battery, insert it in the same manner that you removed the old one. Make sure the positive (+) side is facing upwards towards the buttons and that the negative (-) side of the battery is aligned with the marks inside the battery compartment of your fob.
Push a button to test the fob. If it doesn't work, you may have an issue with your vehicle that requires a professional to repair or replace.
Some key fobs require special tools to open and close, and the connections inside could be fragile and easily corroded. In these situations the best solution is to consult a car expert or a dealer. When replacing a battery be gentle and follow your owner's instructions. You may be able to locate an identical battery at a big-box retailer or discounter, but make sure to check your owner's guide to ensure it is compatible with your vehicle.
Replace the internal key
To prevent theft, most key fobs are equipped with a mechanical key hidden inside. If the battery of the fob fails it will leave an internal key that is blank that can unlock doors and trunks (and in some cases start certain vehicles). Most people don't know this however they could avoid a trip to the dealership by simply replacing the fob's battery. Most modern fobs use flat watches-style batteries that are readily available in hardware stores and auto parts shops. It is essential to choose the correct type of battery. A wrong type of battery can harm the electronic circuitry, which can cause the fob to fail earlier.
If you change the battery and find the issue persists, it could be a sign something else is happening with your vehicle. If you have an owner's manual, check to see if a reset procedure is available to restore the fob's original programming. If this doesn't help you'll have to go to a dealership or an independent shop that specializes in vehicle security systems and fob programming.
Fobs can also malfunction because of faulty transmitter receivers. These are usually located close to the steering wheel or in the dashboard. They transmit signals to allow you to unlock your car and begin it using the fob. If you're required to move closer and closer to your vehicle in order to make it work, there's a good possibility that the transmitter is not working.
It might be necessary for a professional to access the case of the fob to replace the transmitter. A simple screwdriver is enough to accomplish the task however, some fobs have complicated release mechanisms that require a specialized tool or specialized equipment that is available only at a dealership. This is a job that should be performed by a certified mechanic to avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that's not working might just need an upgrade in battery. They are easily available in home improvement and pharmacy stores and are cheap. This is a great method to start before you purchase a new key fob.
Alternatively, you may be able to reprogram the fob on your own by following the steps. The procedure varies for different vehicle manufacturers, so it is important to read the owner's manual and research the specifics of your model. A key fob may require the ignition to be switched on when changing the program. Another key might require the key to be inserted and removed repeatedly.
The general procedure is very simple. Make sure the battery is securely in place. Then, get in the driver's seat, and close all doors, excluding the driver's side door. This will ensure the new key is communicating with the vehicle correctly. Place the old key in the ignition and turn it ON however, don't start the engine. Press the lock button while aiming the fob towards the transmission receiver. This is typically located on the front, above the mirror. The key will inform the vehicle within a brief amount of time that it's being programmed. This can be accomplished by turning the door locks or emitting an audible chime. This procedure can be difficult so it's essential to be attentive to the timing and to not over-press the key button.
If the key fob still does not work try reprogramming it using new batteries. If the issue persists, you might want to check with your car dealer or locksmith. A professional locksmith will have the tools and equipment to reprogram your car's fob or clone the key if required.
Genesky claims he is able to program newer fobs ranging from $200 and $250, based on the vehicle. Genesky has experienced European models rejected because there isn't the equipment required. Most aftermarket fobs can be programmed, but always check with your local dealer to determine the cost.
Getting key fob repair
If the key fob you have cannot be repaired, you might need to buy a new one. Depending on the model and make, an auto locksmith or dealership may be able help. The dealership will likely be the most expensive option for a fob replacement However, they'll have the necessary tools and software to program your car correctly. For a more affordable solution, many independent locksmiths will be able to provide you with an entirely new car key fob at a lower price.
Before you decide to purchase a new key fob, it is a good idea to try resetting your current one. Your owner's manual should outline the proper procedure for reset, which is usually just a series of button pushes that restores the factory settings.
It is also recommended to check the owner's guide and warranty information to see whether you are eligible for an alternative fob for your key. If your car's warranty is in good standing or you have an auto club or insurance policy that covers bumper-to-bumper you could qualify for a reimbursement on the cost of replacing the fob.
Finding the right location to purchase a fob can be difficult. If you own a new vehicle and you want the security with knowing that your key fobs are in good working condition, you may be better off visiting the dealership for this service. If you're looking for a more affordable option it is usually possible to find an independent locksmith who can provide the same services at a much lower cost.
A locksmith who is professional is a great choice for those who aren't comfortable with this type of work. They are trained and equipped to repair or replace car key fobs of all kinds and do it quickly. In addition, a locksmith will often visit your home or office to complete the task, which can be very practical for some. They can even cut and program keys on-site in case you've lost keys, which is ideal for those who do not want to leave their cars in the dark.