Car Key Fob Repairs
Key fobs today do a lot more than unlock and start vehicles. However, that added complexity can result in costly repairs if one of them breaks.
It's good 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 reset can bring it back to life.
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. You can pick up a new button cell battery at your local auto parts retailer or hardware store If you own one. You can also check 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 for opening and replacing the battery in the particular type of fob.
You'll need to gently pull apart the sides of most fobs in order to access the battery. You'll usually need a small screwdriver or a different tool that has a flat, thin blade. You can put your tool into a slot on the bottom of the key fob. You may also want to look for small pieces that may be loosened while working.
Once you have your new battery, place it in the same manner that you removed the old one. Make sure that 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.
You can push a button to test the fob. If it doesn't work, there might be a problem with your car that needs to be repaired or replaced by a professional.
Certain key fobs can be difficult to open, and the contacts may be fragile and easily corroded. In car key repairs , a car specialist or the dealer will likely be your best option. If you're in need of replacing batteries, you should be very gentle and adhere to the instructions that are specific to your owner's manual. You might be able find a similar battery at a discounter store or a big-box retailer but you'll have to refer to your owner's manual to ensure that it matches your car.
Replace the internal key
To prevent theft, most key fobs come with an internal mechanical key that is hidden within. When the battery in the fob dies, it leaves an internal key blank which can open doors and trunks (and in some cases, start certain vehicles). Most people aren't aware of this, but they can save from a trip to the dealer by simply replacing the fob battery. The flat watch-style battery is found in the majority of modern fobs. These batteries can be located at hardware stores and auto parts stores. Using the correct type of battery is crucial, however. A bad battery can damage the electronic circuitry, causing the fob to fail much sooner.
If the problem continues to persist even after you have replaced the battery, it could be a sign that something else is going on with your vehicle. Check your owner's manual to determine if you have an option to reset the fob and bring the fob back to factory programming. If this doesn't work, you'll have visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.
Fobs may also malfunction due to malfunctioning transmitter receivers. They are typically placed on the dashboard or next to the steering wheel, and transmit signals that allow you to open and start your car with 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 may be necessary for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver is enough to get the job done however some fobs come with complex release mechanisms that require a specialized tool or equipment that is available only through a dealer. It's a good idea to have a certified mechanic do this job so that you don't break the fob or injure yourself.
Reprogramming the Key
Most of the time, a key fob that isn't working simply needs a fresh battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, it's an excellent first step prior to buying a new car key fob.
You can also re-program your key fob yourself If you follow some basic steps. The process is different for different vehicles manufacturers, so it is important to read the owner's manual as well as research the specifics of the model you own. One key fob might require the ignition to be turned on while programming. A key fob might require the key to be inserted several times.
The basic procedure is easy. First, make sure that the new battery is in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob communicates with the vehicle properly. After that, put the old key back into the ignition and turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob at the transmission receiver. This is usually located on the left side, just above the mirror. The key will notify the vehicle within a short period of time that it's being programmed. This can be done by turning the door locks or by emitting an audible chime. This can be a tricky process, so pay attention to timing and don't over-press the button.
If the key fob isn't working, try reprogramming it again with fresh batteries. If the issue is still there, you might want to check with your local locksmith or dealer. A professional will have all the tools and equipment required to reprogram the car fob, or even create a brand new one if necessary.
Genesky claims he is able to program newer fobs ranging from $200 and $250, based on the vehicle. He's had European models rejected because they don't have the equipment needed. The majority of aftermarket fobs can be programmed, but always check with your local car dealer to determine the cost.
How to get a new fob
If your key fob cannot be repaired, you might require another one. Depending on your vehicle's model and make, an auto locksmith or dealership may be able to help. The dealership is likely to be the most expensive choice for a replacement fob, however, it will also have the tools and software necessary to program your car correctly. If you are looking for a less expensive solution, many independent locksmiths can provide you with an entirely new car key fob at a lower cost.
It's a good idea to attempt to reset the fob you have before you rush out to buy another one. The owner's manual will outline the correct procedure for reset which is typically pushing a few buttons which restores it to factory programming.
It's recommended to check your owner's manual as well as warranty information before you decide the best place to get a key fob replacement. If your vehicle is under warranty, or you have a car insurance policy or auto club membership that provides bumper-to-bumper coverage, you may be eligible to receive a reimbursement for the cost of an entirely new fob.
Getting a fob is easy enough however finding the best location to do it can be tricky. You may want to visit the dealer for this service if you have a newer vehicle and you want to be confident that your key fobs are functioning correctly. However, if you're looking for a more affordable option it is possible to find a locksmith who is independent who can provide the same service at a much lower cost.
A professional locksmith is a great option if you're not comfortable doing this kind of work. They are trained and equipped to replace or reprogram all kinds of car key fobs and they can often complete the task quickly. Additionally, locksmiths is often able to come to your workplace or home to complete the task which can be extremely convenient for some people. 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 vehicles unattended.