Car Key Fob Repairs
Key fobs today do a lot more than unlock and start vehicles. This extra complexity can lead to expensive repair bills when it fails.
It's good to know that the majority of fobs are powered by flat watch-style batteries, that can be replaced at home. You may find that a simple reset can make your fob work again.
Battery Replacement
A dead battery is the most frequent cause of the fob's key not working. It's easy to repair and worth a try before you spend money on an alternative fob. Simply take your car to an auto parts store or hardware retailer that sells button cells and choose a replacement. You can also consult the 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 for opening and replacing the battery in the specific type of fob you have.
The majority of fobs have two halves that snap together -You'll need to pull the sides apart to access the battery. It's usually a screwdriver or another tool that has a flat, thin blade. You can insert your tool into a notch on the bottom of the key fob. You might also want to watch for tiny pieces that may come loose while you work.
When you have your new battery, insert it in the same manner that you removed the previous one. Make sure the positive (+) side is facing up toward the buttons and that the negative (-) side of the battery is aligned correctly with the markings in the battery compartment of your fob.
Check the fob to determine whether it functions by pressing the button. If it doesn't work, there could be a problem in your vehicle that requires to be fixed or replaced by a professional.
Some key fobs are difficult to open, and the contacts may be fragile and easily corrosion-prone. In these instances an expert in the field or the dealer will likely be the best option. If you're in need of replacing the battery, make sure to be gentle and follow the instructions specifically in your owner's manual. You may be able to locate a comparable battery at a discounter or big-box retailer, but you'll need to consult your owner's manual to make sure that it's the right one for your vehicle.
Replace the internal key
To protect against theft, the majority of key fobs come with an electronic key inside. When the fob battery dies it leaves an internal key that is blank that is able to unlock trunks and doors (and in some cases start certain vehicles). Most people don't know this, but they can save from a trip to the dealer by simply replacing the fob battery. Most modern fobs have flat watch-style batteries that are readily available at hardware stores and auto parts shops. It is crucial to choose the correct kind of battery. The wrong type can damage the circuitry and lead to the fob to fail much earlier.
If the problem continues to persist even after you have replaced the battery, it may be a sign that something else is wrong with your vehicle. Review the owner's manual of your vehicle to determine if there's a reset procedure that will bring the fob back to factory programming. If this doesn't work, you'll have to visit a dealership or an independent shop that specializes in security systems for vehicles and key fob programming.
Fobs may also malfunction due to faulty transmitter receivers. They are typically located near the steering wheel or in the dashboard. They transmit signals that enable you to unlock your vehicle and start it using the fob. If you're required to move closer and closer to your vehicle to get it to work, there's a good chance that the transmitter isn't working.
A professional may need to open the case of the fob to replace the transmitter. A simple screwdriver is usually enough to suffice, but certain fobs require a specific tool or special equipment which can only be found at a dealer. This job should be performed by a certified mechanic in order to ensure that the fob is not damaged and yourself.
Reprogramming the Key
A key fob that's not working may simply need an upgrade in battery. Because they are cheap and readily available in pharmacies and home improvement stores, this is a good first step before purchasing an entirely new car key fob.
Alternately, you might be able to reprogram the fob by following some basic steps. The process is different for different vehicles brands, so it's essential to read the owner's manual and research the specifics of your model. One key fob might require the ignition to be turned on while reprogramming. One key fob could require the key to be inserted multiple times.
The general process is simple. Make sure the battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob can communicate with the vehicle properly. Insert the old key into the ignition, then turn it on, but don't start the engine. Press the lock button while aiming the fob towards the receiver for transmission. This is usually located on the front, above the mirror. The key will inform the vehicle within a short period of time that it is being programmed. This can be done by turning the door locks or emitting an audible chime. This can be a difficult process and it's crucial to be attentive to the timing and don't over-press the key button.
If the key fob doesn't work after reprogramming it, try replacing the batteries. If the issue is still there, you might want to check with your local dealer or locksmith. A professional will have all the tools and equipment needed to reprogram the car fob or create a new one if needed.
Genesky says he's able to program newer fobs for $200-$250, depending on the model of vehicle. But he's had to turn away customers with European models due to the fact that they don't have the costly equipment required. Fortunately, many aftermarket fobs are programmable however it's best to check with an auto dealer first to determine what their price is.
Finding a New Fob
If the key fob you have cannot be fixed, you could require an entirely new one. Depending on key car repair and make, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive option for a replacement fob, but they will also have the necessary tools and software needed to program your car correctly. Numerous locksmiths who are independent provide a new car key fob for a much lower price.
Before you decide to purchase an entirely new device it's an excellent idea to try resetting your current device. The owner's manual should provide the correct procedure for reset. This is usually the result of a series of button presses that reset the factory program.
It's an excellent idea to check your owner's manual and warranty information prior to deciding the best place to get the replacement of your key fob. If your vehicle's warranty is still in effect or you have an auto club or car insurance policy that covers bumper to bumper you could qualify to receive a reimbursement for the cost of a replacement fob.
Finding a fob is simple enough, but finding the right location to do it can be a challenge. You might want to visit the dealer to get this service if you have a newer car and are looking to feel secure knowing that your key fobs are functioning correctly. If you're looking for a more affordable option it is possible to find an independent locksmith who can provide the same services at a much lower cost.
A locksmith who is professional is a good option for those who aren't comfortable with this type of work. They are trained and equipped to change or reprogram keys for cars of all kinds and can do it quickly. In addition, a locksmith is often able to come to your home or office to do the job, which can be very convenient for some people. They can even cut and program keys on-site in case you've lost keys, which is great for those who don't like to leave their cars in the dark.